| __Name__ | __Size__ | __Date__ | __Rating__ | __Description__ |

| **(Parent Dir)** | *folder* | | **Up to TI-83/84 Plus BASIC Math Programs** |

| **2propztest2.zip** | 1k | 13-07-04 | | **2PropZTest Version 2** This program performs a 2Prop2Test with the added features: 1) The difference between the two is not necessarily zero, but it can be any real number. 2) Percents and number of successes along with sample sizes are considered. The program outputs test statistics and p-values. Enjoy! |

| **aastat.zip** | 4k | 04-08-28 | | **AASTAT (revision 3)** A work of programming genius, this entirely-BASIC math program quickly and efficiently calculates mean, median, AND mode. Just enter your numbers separated by commas. It's super fast and comes with a huge tutorial heavily describing the way the code works. |

| **ancova1.zip** | 1k | 16-05-26 | | **ANCOVA** This program will perform an ANCOVA for a Single Factor Design with one Covariate. Great for any one who is performing such tests. Enjoy! |

| **anovainterval.zip** | 1k | 14-03-10 | | **ANOVA Interval** This program will compute a confidence interval for estimating population means when ANOVA is being performed. Great for statistics students studying ANOVA. Enjoy! |

| **apstats2.zip** | 1k | 09-05-05 | | **Hypothesis Tests** This program includes information on the mean, std dev, assumptions, hypothesis, test stat, and confidence interval for 1 samp z test, 1 samp t test, 2 samp t test, 1 proportion z test, 2 proportion z test, chi squared, and lin reg t test. It also includes information on bionomal and geometric distrubtions. |

| **apstats.zip** | 18k | 04-03-03 | | **AP Statistics** This is a very useful program, made for the 73, 82, 83, and 83+/SE. The program tells and solve for most of the formulas covered in an AP Statistics class. In each formula, practically any variable can be solved for in the 83(+/SE) versions. |

| **autocoin83p.zip** | 1k | 02-03-01 | | **Automatic Coin Flipper** Enter how many times you need to flip it, and it flips it and records the number of heads and tails |

| **autocorrelation.zip** | 1k | 14-01-23 | | **Autocorrelation** This program computes the Durbin-Watson statistic for determining autocorrelation in a general linear model. Just enter in the information. Please read the accompanying file for more information. Enjoy! |

| **averageofrandoms.zip** | 1k | 03-11-21 | | **Average of Randoms** This simple program demonstrates the mathematic principle that the average of many random numers will always be half the maximum. |

| **bartlett.zip** | 1k | 15-01-26 | | **Bartlett** This program will perform a Bartlett test for equality of variances. Please read documentation for further details. Enjoy! |

| **baseball.zip** | 16k | 03-04-26 | | **THE ONE AND ONLT BALEBALL STATISTICS PROGRAM** If You Like Baseballl You Will Like This Program. It Does The Following: Shows You What Every Symbol Means. Does Calculations Such As (Batting Average),(On Base Average),(Home Run: At Bats Ratio), And (Stike Out: Cum. At Bats Ratio), It Has Two Cool Pis That You Need To Download With The Program. Hope Its Useful And That You Enjoy It. To See More Of My Files Go To http://www.ticalc.org/archives/files/authors/73/7371.html!! "THE ONE AND ONLY FILES" |

| **basic_stats.zip** | 1k | 12-01-21 | | **Basic stats** This program is for people who dont like to use the "stats-1-Var" and "Stats-2-var" functions. It gives you all the statistic parameters of statistic series (1 variable, 1variable+effectives, or 2 variables) coming soon: an extension with more complex statistics: Binomial, Student, khi² ... |

| **bayese.zip** | 18k | 15-05-10 | | **BAYESe** The Program computes the result of Bayes’ Theorem and gives P(A|B), that is, the probability of A given B. You enter P(A), P(B|A), and P(B|A’). |

| **bayesformula.zip** | 1k | 12-09-03 | | **Bayes Formula** This program will compute the results of Bayes' formula. You can have more than two events. The program asks for the number of events and the associated probabilities for computing Bayes' Formula. Enjoy! |

| **bcstats.zip** | 6k | 04-08-03 | | **Statistics** Basically, this program will cover everything you'll need for a first year college non-calculus-based statistics course. The file is a group, so you'll need to send it to your calculator and ungroup it, then run the program called "aaas" to start the program. If there are any flaws in the program or if you have any problems, you can send me an e-mail at daddyrice@carolina.rr.com or an AOL instant message at MYNAMEISALLCAPS. |

| **bell.zip** | 1k | 05-09-08 | | **ProgBell** This program integrates the normal bell curve for you. This is especially useful in Prob + Stat where you're given a chart and have to add and subtract and all of this long, annoying stuff. This simplifies it. |

| **benford.zip** | 1k | 12-07-19 | | **Benford** This program uses Benford's law to compute probabilities. Many options included. Enjoy! |

| **bernoulli_35.zip** | 1k | 11-06-25 | | **bernoulli** This program will determine the mean, median, mode, variance, standard deviation, skewness and kurtosis for a given probability. It will also plot a histogram, cdf and a moment generating function. |

| **bernoullirng.zip** | 1k | 11-07-03 | | **bernoulli random number generator** This program will generate a single bernoulli random number generator. |

| **bernoullitheorem2.zip** | 1k | 13-09-17 | | **Bernoulli Theorem 2** This program will compute the delta value in Bernoulli's Theorem to inform you of the probability of obtaining such results. Great for probability and statistics students studying Bernoulli's theorem or the Law of Large Numbers. Enjoy! |

| **bernoullitheorem.zip** | 1k | 13-09-03 | | **Bernoulli Theorem** This program works with Bernoulli's Theorem and acts as a precursor to the law of large numbers. Great for students and teachers alike who are working with the law of large numbers in an introductory setting. Enjoy! |

| **bernoulli.zip** | 1k | 06-07-18 | | **Bernoulli's Trials** A simple program that does Beurnolli's trials for probability [(nCr)(p^r)(q^(n-r))] for both ordered and unordered events. Enter the probability of success (p), number of trials (n), and number of successes (r), and it will display the answer in fraction form (if possible). Bypasses tedious calculations, and can be used as a way of checking answers. |

| **bestfite.zip** | 13k | 11-12-16 | | **BESTFITe** The program graphs the scatter plot and shows the best fit for regression types: linear, quadratic, cubic, quartic, ln, exp, and power. The equation of best fit type is given and a prediction can be made. |

| **bestfit.zip** | 1k | 01-01-29 | | **The Line Of Best Fit** This will find the best fit slope and y-intercept of a set of coordinates of two lists. In which L1 is the x-coordinates and L2 is the y-coordinates. |

| **bingeom.zip** | 4k | 01-04-04 | | **Binomial and Geometric Distributions** This is yet another program i have created for my stat class. I believe this along with EXPREG is one of my best ones. This can do almost anything you want it to on Binomial and Geometric Distributions. It is very self explanitory not like some of the programs you download only to find out the author created it for his or her use only and noone else can figure it out. It will do the PDF and CDF of both and also find the Mean and even do a Binomial Distribution Simulation. I love this program and it has helped me do great on tests. |

| **binomialdistribution.zip** | 1k | 14-03-23 | | **Binomial Distribution** This program works with the binomial distribution. It will plot the pmf and cdf, output the mean, median information, mode, variance, standard deviation, skew, excess kurtosis, entropy and approximate Fisher value. Enjoy! |

| **binomiale.zip** | 22k | 11-12-18 | | **BINOMIALe** The Program gives you all you need to know about a Binomial Distribution, that is: the mean, median, standard deviation, variance, and GRAPH. For X successes, you also get P(X = A), P(X < A), P(X > A), and P(A < X < B). In the lists is displayed the probability of X successes from 0 to n. |

| **binomialhypothesistest.zip** | 1k | 13-04-26 | | **Binomial Hypothesis Test** This program will perform a hypothesis test with the binomial distribution. If the assumption of normality is not fulfilled, then this program may be of use. Great for statistics classes. Enjoy! |

| **binomialrandomgenerator.zip** | 1k | 11-06-25 | | **binomial random number generator** BINGEN This program is a "random" number generator based on the binomial distribution. It requires a probability, P, and a number of trials, N. it will then display a histogram and store the random numbers in a list. Enjoy! |

| **binpdist.zip** | 1k | 10-03-23 | | **Binomial Probability Distribution** A simple program that does the Binomial Probability Distribution equation for a stats class. |

| **bnw.zip** | 1k | 03-09-17 | | **Box and Whiskers** This is an easy-to-use box and whisker plot maker. It is so much easier than the built in one! |

| **boreltannercdf.zip** | 1k | 14-02-12 | | **Borel-Tanner CDF** This program computes the value on the CDF for the Borel-Tanner distribution as well as the mean and variance. Enjoy! |

| **boxmuellerrng.zip** | 1k | 13-05-11 | | **Box-Mueller RNG** This program works with the Box-Mueller Random Number Generator for generating two lists of independent Gaussian Random Variables. The user just enters in the number of Random Variables desired. Enjoy! |

| **boxwhiskerutilities.zip** | 13k | 04-03-16 | | **Box Whisker Utilities** An easy to use program that inputs variables / loads from L1 and gives you all the info you would need to know about a list/array. Gives 1,2,3 Quartiles, Mean, Median, Largest, and Smallest numbers. Ut also plots in a Box-Whisker Plot. |

| **bptest.zip** | 1k | 14-01-17 | | **BP Test** This program performs the Breusch-Pagan test for heteroscedasticity with one independent variable. Just enter in the lists and the program produces the test statistic, degrees of freedom and p-value. Great for business stats or anyone testing for heteroscedasticity. Enjoy! |

| **brownianbridge.zip** | 1k | 13-06-27 | | **Brownian Bridge** This program will display a Brownian Bridge (or a tied-down Wiener process). the user enters in the endpoints, the time interval and the number of intervals to compute. The program produces a graph of the process. Enjoy! |

| **cauchydistribution.zip** | 1k | 12-02-05 | | **Cauchy Distribution** This program works with the Cauchy Distribution. The user inputs the location and scale parameters and the program produces the following: 1) a graph of the pdf, 2) a graph of the cdf, and 3) the mode, median and entropy. The moments do not exist. Enjoy! |

| **cchart.zip** | 1k | 13-08-18 | | **C Chart** This program will produce a C-Chart for quality control. Enjoy! |

| **chapter1.zip** | 3k | 01-02-06 | | **Chapter 1 - Making Sense of Data** This is a program I made for my Chapter 1 test in which it includes tables and graphs, boxplots, histograms, and standard deviation. You will also need my program "Five Number Sum" to do a box-plot with this program. This is optional. |

| **chebye.zip** | 21k | 11-12-18 | | **CHEBYe** The Program uses CHEBYSHEV’S RULE to show 1. The least PERCENT of data that are within K standard deviations of the mean, and 2. The INTERVAL containing at least P percent of the data. |

| **chebyshevrule.zip** | 1k | 13-07-04 | | **Chebyshev Rule** This program works with Chebyshev's rule for distributions. The user has the option of determining the number of standard deviations, the percent of data within a specified number of standard deviations or the construction of an interval around the mean that contains a specified percentage of the data. Enjoy! |

| **chidistribution.zip** | 1k | 11-12-05 | | **Chi Distribution** This program works with the chi distribution (not chi-square). Enjoy! |

| **chisqe.zip** | 22k | 11-12-20 | | **CHISQe** The Program does a CHI-SQUARE TEST of INDEPENDENCE given a contingency table of values. It displays the Expected Values, Chi-Square, the p-value, the degrees of freedom, and states dependent or independent based on your level of significance alpha. You can also find the p-value given the degrees of freedom and Chi-Square. |

| **chisqr.zip** | 1k | 15-04-19 | | **AP Stats- Chi-Squared Notes** This program supplies one with all of the essential components of Chi-Squared knowledge. It lists the Conditions, Mechanics, Conclusion and Calculator tips for the average AP Stats student. |

| **chisquarecontributions.zip** | 35k | 11-07-29 | | **Chi Square Contributions** This program will compute the expected counts and the contributions to a chi-square test of homogeneity and independence. The user inputs the information in matrix A. Matrix B will have the expected counts so that the chi-square test can be run using the default settings and the contributions to the test statistic are in matrix E. Enjoy! |

| **chisquaredistribution.zip** | 1k | 11-07-05 | | **Chi Square Distribution** This program will find values on the chi-square pdf, the chi-square cdf and give the following measures: mean, approx median, mode, variance, standard deviation, skewness and kurtosis. The user only needs to enter in degrees of freedom. |

| **chisquaregenerator.zip** | 1k | 11-06-25 | | **chisquaregenerator** This program is a "random" number generator for a chi-square distribution. Enjoy! |

| **chitests.zip** | 2k | 05-09-26 | | **Chi Statistical Tests** Very useful Statistical program, covering the Goodness of fit and Chi squared tests. Features include stating and checking for assumptions, displaying chi squared value, P-value, and degrees of freedom, tells you whether or not to reject the Ho hypothesis and at what alpha level, and does so in a very accurate, compact manner. If you are taking AP Statistics or any math class which uses these distribution tests, you will find this program extremely useful, even if it's just to check your work. -- By Fisch2 |

| **chowtest.zip** | 1k | 15-01-19 | | **Chow Test** This program will perform a Chow test from econometrics. Please read the documentation. Enjoy! |

| **cirho.zip** | 1k | 13-06-21 | | **Confidence Intervals Rho** This program will compute confidence intervals for the population correlation coefficients. Enjoy! |

| **ciriskestimate.zip** | 1k | 14-04-22 | | **CI Risk Estimates** This program will compute a confidence interval for the risk difference, the relative risk and the odds ratio for given data. Great for biostatistics students. Enjoy! |

| **clopperpearson.zip** | 1k | 15-07-09 | | **Clopper Pearson ** This program computes the "exact" interval for a confidence interval for a proportion. Great for Statistics classes. Enjoy! |

| **cltdemo.zip** | 1k | 12-05-17 | | **Central Limit Theorem Demo** This program will demonstrate the central limit theorem. The user enters in a sample size. The program will first generate a sample list of data using the rand command, then it will average these values together. It will generate 100 sample averages total, compute the sample mean and the sample standard deviation of the sampling distribution based on the Central Limit theorem. It will also estimate the population mean and standard deviation based on this information. Finally it will generate a histogram of the sample averages to see if the shape resembles a normal distribution. Enjoy! |

| **cmhtest.zip** | 1k | 14-04-22 | | **Cochran Mantel Haenszel Method** This program will perform the CMH method using a 2 x 2 table for each strata. Great for biostatistics. Enjoy! |

| **coefficient_8.zip** | 1k | 04-01-19 | | **Correlation Coefficient** Enter data into two lists and it will give you the correlation coefficient. |

| **coefficientofcontingency.zip** | 1k | 11-07-03 | | **Coefficient of Contingency** This program will compute Pearson's Coefficient of Contingency after a chi-square test is run. Use matrix A as the observed values and run a chi-square test to store the test statistic in memory. Enjoy! |

| **coefficientofvariation.zip** | 1k | 12-09-05 | | **coefficientn of variation** This program will compute the coefficient of variation and output results as a percentage. The user may enter in statistics or a data list. Enjoy! |

| **coinadv.zip** | 2k | 04-10-07 | | **Coin ADV.** <<<>>> One of the most sophisticated BASIC Coin Toss Program you'll ever find. There aren't that many areas in Maths where Coin Toss is required...But for the Times You Do need one...Coin ADV. is very reliable. Its got everything you can do with a coin I can think of...(except buying stuff..lol) Features: Custom Toss: Tosses a single coin for a number of time you designate 1000 Toss: Mass Coin Tossing Component that Tosses a coin 1000 times, displaying the results of every 100 tosses in a neat table ^^ Single Toss: Simple Single Coin Toss Multi Toss: Tosses More than one coin at one time...At the moment, you can toss up to 4 coins at once. Quit: Not just an ordinary "Quit"...It restores your functions too. FULL INSTRUCTIONS INCLUDED IN THE PROGRAM ITSELF. <<<>>> A bonus program I included the group. Restores Maths and Graphic Settings to Default...Perfect to run this quick, easy prgm just before an exam. (note: Changes mode to Degrees...not Radian) ENJOY~ ^^ |

| **coinflip.zip** | 2k | 06-12-10 | | **Coin Flip** Flips a coin and draws a cumulative graph of the flips. Nice and fun Statistics program. |

| **coinprobability.zip** | 1k | 03-05-04 | | **Coin Probability** Quick and easy- tell it how many times you want to flip a coin, and it will tell you how many times each side came up. |

| **cointoss.zip** | 1k | 05-10-20 | | **Coin Toss Simulator v1.02** Input a number and this nifty little program will simulate tossing a coin that many times. Then it will output a line graph, showing the percentage of heads after each toss. The main purpose of this program is to demonstrate the Law of Large Numbers, but you can also use it to impress your Statistics teacher! |

| **coin.zip** | 1k | 05-04-01 | | **Probability Flip** Perfect for those boring physics classes, Probability Flip is a simple program where you enter the number of flips that you want the coin to perform and then the calculator simulates the coin flip. The percentages are shown in progress as the coin flips. It may not be a game but it could be more fun to watch than your boring teacher :) |

| **concharte.zip** | 17k | 11-12-20 | | **CONCHARTe** The Program displays a CONTROL CHART showing control lines at M + 3S, M + 2S, M + S, M, M – S, M – 2S, and M – 3S that are based on an expected mean M and standard deviation S. |

| **concordance.zip** | 1k | 14-02-19 | | **Concordance** This program computes the concordance of ranked data. Please read the accompanying documentation for a full description. Enjoy! |

| **conditionalexpectation.zip** | 1k | 13-06-27 | | **Conditional Expectation** This program will compute the conditional expectation of a discrete random variable. The user inputs the requried information (be aware that lists are used heavily). The program outputs the conditional expectation. Great for advanced stats and probability. Enjoy! |

| **conditionalprobability.zip** | 1k | 13-06-27 | | **Conditional Probability** This program will compute the conditional probability of a discrete random variable. The user inputs the required information (be aware that lists are used heavily for this program). The program outputs the conditional probability. Great for advanced stats and probability. Enjoy! |

| **conditionalvariancediscre.zip** | 1k | 14-03-10 | | **Conditional Variance Discrete** This program will compute the conditional variance of two discrete random variables. Enjoy! |

| **confidencebands.zip** | 14k | 11-10-20 | | **Confidence Bands** This program will compute the confidence bands for E(y) with a regression line. It is reserved to lines for now. The user enters in the data, the confidence level, the number of intervals to generate so that points may be connected and the center location of these intervals. The program does the rest. See the documents for further info. Enjoy! |

| **confinte.zip** | 9k | 11-11-02 | | **CONFINTe** The Program computes z and t CONFIDENCE INTERVALS for the mean of a population showing 80%, 90%, 95%, 98%, 99%, and 99.9% confidence along with the MARGIN OF ERROR for each interval. The intervals are also shown on a graph so you can see the difference the confidence level makes. |

| **continuousuniform.zip** | 1k | 11-07-15 | | **Continuous Uniform ** This program considers the continuous uniform density. The user inputs the left and right bounds for the density and can obtain measures, plots and values on the pdf, cdf, mgf, and inverse cdf. Enjoy! |

| **cooksd.zip** | 1k | 14-03-29 | | **Cooks Distance** This program computes Cook's Distance for one independent variable in ordinary linear regression. Please read the documentation for a full description. Enjoy! |

| **correlationmatrix.zip** | 1k | 13-09-03 | | **Correlation Matrix** This program will compute a correlation matrix. Enter the information as lists and the program does the rest. Great for statistics students. Enjoy! |

| **cotez.zip** | 1k | 05-04-13 | | **COTEZ** This program lets you know the z cote of a data from a list of datas or with the average and the variance. Partially in French. |

| **count5method.zip** | 1k | 13-07-01 | | **Count 5 Method** This program performs the count 5 method for two lists to compare the population variances. It is an alternative to the F test. The user inputs the two lists and the signficance level (A-level in the program). The program outputs the test statistic, the critival value and the decision to make. Great for statistics. Enjoy! |

| **covariancematrix.zip** | 1k | 13-09-03 | | **Covariance Matrix** This program computes a covariance matrix. The user enters in the data as lists and the program does the rest. Great for statistics students. Enjoy! |

| **covariance.zip** | 1k | 12-07-05 | | **Covariance** This program computes sample and population covariances. Enjoy! |

| **cramersvstatistic.zip** | 1k | 11-07-03 | | **Cramer's V** This program computes Cramer's V test statistic to determine the degree of association between variables after running a chi-square test of independence. The user must enter the information of the observed values in matrix A and also must run the chi-square test on the calculator to have the values stored properly. Enjoy! |

| **cramervonmisestest1.zip** | 2k | 15-07-09 | | **Cramer von Mises Test 1** This program will perform a 1-sample Cramer von Mises goodness of fit test comparing a data set to either normal, Student t, chi-square, F or uniform. Enjoy! |

| **criticalpointscells.zip** | 1k | 14-02-12 | | **Critical Points Cells ** This program will compute the probability for a number of balls to occupy a specified number of cells, or given a probability, it will determine the minimum number of balls needed to occupy cells. Enjoy! |

| **criticalvaluesr.zip** | 1k | 13-06-21 | | **Critical Values for r** This program will compute critical values for r when conducting tests on correlations. Enjoy! |

| **criticalvaluesspearman.zip** | 1k | 13-07-06 | | **Critical Values Spearman** This file contains two programs, one for finding critical values on a TI-84 for Spearman's rank correlation coefficients and one for the TI-83. The TI-84 program uses the invT command. Enjoy! |

| **cstat.zip** | 14k | 03-06-14 | | **Complete A.P. Stat Program FINAL V. 1.0** Whether or not you liked my earlier versions (and I'm sure you didn't), you will love this program. It takes the majority of the functions and formulas that are required for the A.P. Test, performs them, and shows all of the work. No other program in existence is this useful! I have used it throughout the school year and I have aced every test without any thought. It could be a little more user friendly and now warns you when a list needs to be used, but it is a great program that you will all love. E-mail me any comments/questions. |

| **cumupoly.zip** | 3k | 07-05-16 | | **Cumulative Frequency Polygon** Calculates and plots the cumulative frequencies of a data list. |

| **curvefit.zip** | 1k | 09-01-05 | | **Curve Fitting** Calculates the polynomial of least degree that passes exactly through any number of data points (Lagrange interpolation). Coefficients are stored in list and matrix form for your mathematical convenience and pleasure. |

| **cve.zip** | 14k | 12-03-07 | | **CVe** This Program replaces the need for the z-table and t-table. It finds the critical value CV for a given 1. center area c, 2. right tail area A’, 3. left tail area A’, or 4. two tail area A’’. It also shows the graph of the area. |

| **cvmultipler.zip** | 1k | 14-02-12 | | **Critical Values for Multiple R** This program will compute the critical values for a multiple regression coefficient. Please read accompanying documentation for more information. Enjoy! |

| **dampedmotionregression.zip** | 1k | 14-12-21 | | **Damped Harmonic Motion Regression** This program will compute a least-squares regression for a data set resembling damped harmonic motion. Enjoy! |

| **degreesoffreedom.zip** | 1k | 12-08-10 | | **Degrees of Freedom** This program computes the degrees of freedom for a 2-Sample T-Test by using a conservative measurement as well as the formula. It will also round the result of the formula accordingly. Enjoy! |

| **descripte.zip** | 39k | 11-12-20 | | **DESCRIPTe** The Program describes a list of measurements giving the count, the sum, mean, median, standard deviation, variance, range, mode, the box plot and the z-score of each measurement. |

| **dice1.zip** | 1k | 11-03-10 | | **Rolling Dice** This program rolls any number of dice with up to 65536 number of sides, up to 6*10^17 number of times. What's special about it is that it uses a multiply with carry generator, instead of the built in random generator, and this mwc-generator has much better properties for generating random numbers. |

| **dice2.zip** | 1k | 00-05-15 | | **Dice2** Rolls two virtual dice and gives you a nice little histogram of the data. |

| **diceaaa.8xp** | 1k | 03-03-10 | | **AAA dice** this is a good math program that lets you roll dice. It is better than most because you can choose the amount of dice, the amount of times thrown, and the number of sides on the dice. |

| **diceroll.zip** | 1k | 04-03-29 | | **DiceRoll 1.0** Umm... Rolls a dice? |

| **dice.zip** | 1k | 03-09-01 | | **Dice Programs** This is a collection of programs that either roll dice or use data from rolling dice. This will work good for interpreting statistical data for dice. |

| **differenceinmeanskruskalw.zip** | 1k | 14-01-17 | | **Difference Kruskal Wallis** This program will compare two average rank values and conduct a chi-square test to determine if the difference between these two are significant. Great for business statistic students studying nonparametric methods. Enjoy! |

| **discretecovariance.zip** | 1k | 14-03-10 | | **Discrete Covariance** This program computes covariance via expectation formulas. Enjoy! |

| **discreterng.zip** | 2k | 14-02-06 | | **Discrete Random Number Generator** There are two programs in this zip file, one for the 84 (it uses the randIntNoRep command) and one for the 83 (which does not use it, but a programmable substitute from TI-Developer). Either of these programs will compute a listing of random numbers from a user provided probability model. See the accompanying documentation for a full description of the program. Enjoy! |

| **discretervmeasures.zip** | 1k | 12-09-05 | | **Discrete RV Measures** This program produces the mean, variance and standard deviation for a discrete random variable. Great for beginners in statistics as well as programming. The user only inputs two lists: the values the random variable takes on and the probability of taking on these values. The program computes the rest. Enjoy! |

| **discreteuniformdistributi.zip** | 1k | 11-07-27 | | **Discrete Uniform Distribution** This program gives information about the discrete uniform distrubtion. It will generate plots, measures and values on the pdf and cdf curves. Enjoy! |

| **discretevariance.zip** | 1k | 14-03-05 | | **Discrete Variance** This program computes variance for discrete RV using the expectation formula. Enjoy! |

| **easystat.zip** | 4k | 03-12-03 | | **Easy Statistics** This program will easily give you the Min, Max, Mean, Median, Sum, Standard Deviation, and Variance of any list. |

| **empircal.8xp.zip** | 1k | 10-11-23 | | **Empirical Rule (68-95-99.5)** Finds the mean and standard deviation of L1, then the number of list elements between -1 and 1 standard deviation, -2 and 2, and -3 and 3 standard deviations away from the mean. Then it finds the percentages, which you can compare to 68-95-99.5 A bonus: it's tiny! |

| **erf_erfc.zip** | 4k | 08-04-14 | | **Gaussian Error Function: erf( and erfc(** A set of programs the computes the erf(x) and erfc(x). Unlike similar programs available here, the result given by these programs is accurate to all 10 decimals displayed by the calculator. |

| **erf.zip** | 1k | 04-11-20 | | **Gaussian Error Function** This program calculates the error function of the inputed parameter. The program calculates the value iterativly, and is fairly accurate. Comments are Welcome. |

| **erlangdistributiongen.zip** | 1k | 11-07-03 | | **Erlang Distribution Generator** This program constructs a list of random variables that have a gamma distribution or an Erlang distribution. |

| **erlangrandomgen.zip** | 1k | 11-07-03 | | **Erlang Random Number Generator** This program acts as a "random" number generator for the Erlang distribution. |

| **expdiste.zip** | 30k | 12-03-29 | | **EXPDISTe** For an EXPONENTIAL Random Variable X with average a on the interval 0 to infinity, the Program gives the 1. expected value or mean E(X), 2. variance VAR(X), 3. standard deviation, 4. median, 5. P(X < A), P(X > A), P(A < X < B), and 6. graph of the distribution showing the probability. |

| **exponentialconf.zip** | 1k | 11-11-04 | | **Exponential Confidence Interval** This program will find a confidence interval for the maximum likelihood estimate for the parameter. Enjoy! |

| **exponentialdistribution_29.zip** | 1k | 11-07-05 | | **Exponential Distribution** This program will do the following: 1) It computes values and graphs the exponential pdf. 2) It computes values and graphs the exponential cdf. 3) It computes the mean, median, mode, variance, standard deviation, skewness, kurtosis, failure rate and entropy. 4) It will also produce the first and third quartiles and a graph of the quantile (inverse cdf) function. 5) |

| **exponentialdistribution.zip** | 1k | 11-07-03 | | **exponential distribution generator** This program displays a histogram of N identically exponentially distributed random variables. |

| **exponentialrng.zip** | 1k | 11-07-03 | | **exponential RNG** This program is a random number generator for the exponential distribution. |

| **expreg.zip** | 1k | 00-12-04 | | **Expreg** This is another great program i have created for my statistics class. It does both exponential and power regression growth. You simply tell it where the infromation is and it does everything for you. But i do suggest that if you don't know a little about exponetial or power regression not to use this program cause it will confuse you more than you were in the first place. |

| **extremestandarddeviate.zip** | 1k | 14-08-20 | | **Extreme Standard Deviate** This program works with the extreme standard deviate when given population information. Please read the documentation. Enjoy! |

| **fastmodefinder.zip** | 1k | 08-11-30 | | **Fast Mode Finder** Have you noticed that your TI-83/84 has built in functions for mean and median, but not for mode? This program will find the mode(s) of a list, and do it quickly. |

| **fdistributionconfidence.zip** | 1k | 11-10-18 | | **F-interval** This program will compute the confidence interval for the ratio of two population variances based on the sample variances using the F-distribution. The user inputs the information and receives the point estimate for the ratio as well as the lower and upper bound for the interval. Enjoy! |

| **fdistribution.zip** | 1k | 11-10-18 | | **F-Distribution** This program will work with the F-distribution. It will supply information about the pdf, the cdf and measures. These measures include the mean, mode, approximate median, variance, std deviation, skewness and kurtosis. Enjoy! |

| **fencescalculator.zip** | 1k | 15-01-04 | | **Fences Calculator** This program calculates the fences of a set of data to determine the outliers given a Q1 and Q3. This program is easy to use and saves time on stats tests. Enjoy!! |

| **fences.zip** | 1k | 12-06-03 | | **Fences** This program computes the fences for outliers using the mild outlier rule and the extreme outlier rule. Enjoy! |

| **finitepopulationcorrectio.zip** | 1k | 12-07-19 | | **Finite Population Correction Factor** This program computes the margin of error or the sample size for a proportion using the finite population correction factor. Enjoy! |

| **firstorderexpsmooth.zip** | 1k | 14-02-19 | | **First Order Exponential Smoothing** This program will perform a first order exponential smoothing technique for forecasts. It also outputs the mean square error for such forecasts. Great for business statistics students. Enjoy! |

| **fishernoncentralhypergeom.zip** | 1k | 14-04-20 | | **Fisher Noncentral Hypergeometric** This program works with Fisher's Non-central Hypergeometric distribution. The user may evaluate values on the PMF or obtain measures about this distribution. Enjoy! |

| **freqc.zip** | 2k | 04-12-18 | | **List Frequency Count** This programme computes the frequency of repetitive elements in a specific list (Defined by the user). Check out the screen shots. |

| **freqdiste.zip** | 16k | 11-12-24 | | **FREQDIST** Enter a frequency distribution. The Program displays: mean, median, standard deviation, variance, relative frequencies, and GRAPH. |

| **freqmakee.zip** | 8k | 13-06-12 | | **FREQMAKEe** The program makes a Frequency Distribution from given raw data entered into L1. After the program runs, the unique data is then displayed in L1 with frequencies in L2 and relative frequencies in L3. The original data is moved to L5 and sorted in L6. |

| **freqplot.zip** | 1k | 01-12-22 | | **Statistical Plots** Makes the lists and graphs for the frequency plot, relative frequency plot (%), cumulative frequency, and ogive (cumulative %); read more about the program in my readme.txt file in the freqplot.zip file. |

| **frequencypolygon.zip** | 1k | 13-07-06 | | **Frequency Polygon** This program will construct a frequency polygon. The user inputs the data list and the number of classes. The program will give the choice of frequency polygon, histogram or both. Great for elementary statistics. Enjoy! |

| **friedmantest.zip** | 1k | 15-09-29 | | **Friedman Test** This is an updated version of the program. |

| **ftestutility.zip** | 1k | 14-03-10 | | **FTest Utility** This program performs a one-sided F-Test for determining the utility of a general linear model. Can input data or statistics for this program. Enjoy! |

| **gammadis.zip** | 1k | 16-05-08 | | **Gamma Distribution** This program will produce information concerning the gamma distribution along with graphs. Enjoy! |

| **generallinearmodelfile.zip** | 21k | 11-10-20 | | **General Linear Model T-Interval** This program will compute the estimates and confidence intervals for a general linear model of the form: y = b0 + b1x1 + b2x2 + ... It will also produce the variance matrix so that you may determine the variance for each estimate. It also gives degrees of freedom and the variance estimate for the population. Enjoy! |

| **geodiste.zip** | 18k | 12-03-29 | | **GEODISTe** Given the probability of success p, the Program 1. Graphs a GEOMETRIC DISTRIBUTION, 2. Gives its mean, standard deviation, and variance, and 3. Finds P(X = A), P(X < A), P(X > A), P(A < X < B). |

| **geomean2.zip** | 1k | 03-05-18 | | **Geometric Mean** Find the geometric mean. |

| **geomeanwill.zip** | 1k | 02-03-23 | | **Geometric Mean** Pretty simple program. Finds the geometric mean of two numbers. It works. |

| **geomean.zip** | 1k | 01-02-20 | | **Geometric Mean** A very simple, yet reliable, geometric mean program. |

| **geometricgenerator.zip** | 1k | 11-06-25 | | **geometric generator** This program generates random numbers based on a geometric distribution and also displays a histogram. Enjoy! |

| **geometricrng.zip** | 1k | 11-07-03 | | **Geometric RNG** This program is a random number generator for the geometric distribution. |

| **geometric.zip** | 1k | 11-06-13 | | **Geometric Distribution** This program will compute probabilities for the geometric distribution (under the rule that we are investigating the number of trials until the first success, not the number of failures until the first success so the support are the natural numbers). It will also compute the mean, median, mode, standard deviation, variance, skewness and kurtosis. The user may also plot a histogram, a graph of the cdf and a frequency polygon for a specified distribution. |

| **glejser.zip** | 1k | 15-04-25 | | **Glejser** This program performs a Glejser test for heteroscedasticity. Great for econometrics. Enjoy! |

| **gmean.zip** | 1k | 02-06-19 | | **Geometric Mean** Calculates the geometric mean of a series of numbers. Pretty idiot proof, though I'm probably under-estimating the idiot population. |

| **gofarbitrary.zip** | 1k | 11-10-21 | | **GOF arbitrary** This program will compute a chi-square goodness of fit test for an arbitrary discrete distribution. Enjoy! |

| **gofbinomial.zip** | 1k | 11-10-21 | | **GOF binomial** This program will perform a chi-square goodness of fit test assuming the distribution is binomial. Enjoy! |

| **gofnormal2.zip** | 1k | 13-05-24 | | **GOF Normal 2** This program, unlike my previous one, will perform a GOF test for normal distributions when we use sample statistics rather than having the population parameters specified. It will output the df (N-3 this time), the test statistics and the p-value. Enjoy! |

| **gofnormal.zip** | 1k | 11-10-21 | | **GOF normal** This program will perform a chi-square goodness of fit test for data that is assumed to be normally distributed. Enjoy! |

| **gofpoisson.zip** | 1k | 11-10-21 | | **GOF poisson** This program will perform a chi-square goodness of fit test with the hypothesized distribution a poisson. Enjoy! |

| **gofuniform.zip** | 1k | 11-10-21 | | **GOF uniform** This program will perform a chi-square goodness of fit test under the hypothesis that the distribution is uniform (evenly distributed). Enjoy! |

| **goldfeldquandttest.zip** | 1k | 15-01-11 | | **Goldfeld Quandt Test** This is test of unequal variances common in econometrics. Enjoy! |

| **grpdatae.zip** | 23k | 15-05-22 | | **GRPDATAe** This Program will display facts about GROUPED DATA: midpoints, relative frequency, mean, median, standard deviation, variance, and graph. First enter the width boundaries in L1 and L2 the frequencies in L3. Start the Program to display facts about the distribution. Press [ENTER] to see the graph*. Go back to the LISTS: [STAT] 1 to see the midpoints and relative frequencies. Press [GRAPH] [TRACE] and the left and right arrow keys to move about the graph. |

| **gtestgof.zip** | 1k | 14-04-27 | | **G-Test GOF** This program will perform a G-Test goodness of fit as an alternative to the chi-square test. Enjoy! |

| **hartley.zip** | 1k | 14-02-19 | | **Hartley** This program will perform a Hartley test for testing homogeneity of population variances (an extension of the F-test). Please read the enclosed documentation for a full description. Enjoy! |

| **histograme.zip** | 25k | 12-03-29 | | **HIST** The Program makes a Histogram from a list of measurements. It suggests the number of bars, or classes, K for your data, but you can override this. Also, the width range is given corresponding to your choice of K. You enter width W from the range. A whole number width is best, if possible. You will see the boundaries of each bar, the frequency and relative frequency of each class. |

| **hotellingt2.zip** | 1k | 15-02-15 | | **Hotelling T-Square Test** This program performs a Hotelling T-square test (the multivariate equivalent to the t-test). The user may enter in data or statistics. Enjoy! |

| **howto3e.zip** | 10k | 12-03-10 | | **HOWTO3e** This Program gives the step by step details of how to, by hand, find 1. The ODDS against an event E happening given the probability E will or will not happen, 2. The ODDS an event E will happen given the probability E will or will not happen, 3. The probability E will not happen given the ODDS against E happening or happening, 4. The probability E will happen given the ODDS against E happening or happening. |

| **hyperbolicregression.zip** | 1k | 12-05-10 | | **Hyperbolic Regression** This program is designed to fit a curve of the form y = 1/(a+bX) to a set of data. The user inputs the x-list and the y-list and the program outputs a, b and r^2. It also gives the user the option to see the graph. Enjoy! |

| **hyperbolicsecantdistribut.zip** | 1k | 13-04-12 | | **Hyperbolic Secant Distribution ** This program deals with the hyperbolic secant distribution. It works with the pdf, cdf, mgf, cf, inverse cdf and outputs values like the mean, median, variance, etc. Enjoy! |

| **hypere.zip** | 49k | 12-03-29 | | **HYPERe** The Program finds 1. The HYPERGEOMETRIC probability of getting K good objects when R objects are selected from N objects in which G are good, 2. The mean, median, standard deviation, and variance of the HYPERGEOMETRIC DISTRIBUTION, 3. The graph of the distribution, and 4. P(X < A), P(X > A ), P(A < X < B). |

| **hypergeometricdistributio.zip** | 1k | 11-06-25 | | **hypergeometric** This program finds probabilities, measures and graphs of hypergeometric distributions. Enjoy! |

| **hyperg.zip** | 1k | 13-04-12 | | **HyperG** Gives the mean, median, mode and standard deviation of a Hypergeometric distribution, where "n" = size of the selection set "k" = size of some category within that set "r" = number of draws |

| **hypothesistestexpectedy.zip** | 1k | 14-01-17 | | **Hypothesis Test Expected Y** This program will perform a hypothesis test on the expected values of the output variable. Great for business students studying statistics. Enjoy! |

| **hypothesistestmultico.zip** | 1k | 14-02-06 | | **Hypothesis Test Multico** This program performs a hypothesis test for multicollinearity between two independent variables. Enjoy! |

| **ichart.zip** | 1k | 07-12-28 | | **iChart** iChart is a chart/plot/graphing program which allows the user to create pie-charts, bar-graphs, histograms, Stem & Leaf Plots, and box(& whisker) plots. In addition, it cangive you a five-number analysis (min, Q1, median, Q2, max) as well as sample & population deviation. Additionally, it will give you the number of outliers and what they are. |

| **infiniterolls.zip** | 1k | 11-05-01 | | **Infinite Rolls** This program can simulate rolling a die with any number of sides any number of times. Updated version includes a histogram. |

| **interactionplots.zip** | 1k | 13-08-03 | | **Interaction Plots** This program will display interaction plots if the user is conducting a two-way ANOVA. Great for second statistics courses or experimental design. Enjoy! |

| **intervale.zip** | 32k | 12-03-29 | | **INTERVALe** The Program finds the 1st, 2nd, and 3rd standard deviation INTERVALS about a known mean and standard deviation. If the data is from a sampling distribution, the standard error of the mean is also found. |

| **invchisquare2.zip** | 1k | 13-07-04 | | **Inverse Chi-Square 2** This program is an alternate version of the inverse chi-square program that uses a formula rather than solves an equation. The user inputs the sample size and the alpha-level. It will find the score to the alpha-level corresponds to the area right of the value. Enjoy! |

| **invchisquare.zip** | 1k | 13-06-29 | | **Inverse Chi-Square** This program computes the critical values for the chi-square distribution. Just enter the area to the right of the critical value and the degrees of freedom (this is to be consistent with current tables). Enjoy! |

| **inversef.zip** | 1k | 13-07-01 | | **Inverse F** This program will compute inverse F values. The user enters the area to the right of the value under the F distribution the degrees of freedom for the numerator and denominator respectively. The program will output the score. Enjoy! |

| **inversetprogram.zip** | 1k | 12-09-05 | | **Inverse T command** Similar to the invNorm command on TI-83 Plus calculators, this one determines the t-value for an area left under a t-distribution. While a command for this exists on the TI-84, there is not one for the TI-83 Plus. Enjoy! |

| **inversetriangularscore.zip** | 1k | 13-07-21 | | **Inverse Triangular Scores** This program will compute inverse triangular values for a triangular distribution. The user inputs the the endpoints and the location of the mode and the percentage of data left of the score. The program computes the score and will draw a picture of the situation. Great for statistics students. Enjoy! |

| **inverseuniform.zip** | 1k | 13-08-23 | | **Inverse Uniform** This program computes the score for a uniform density. The user may input the endpoints or the mean and standard deviation of the uniform density and then the amount of are LEFT of score. The program outputs the score and a diagram of the situation. Great for elementary statistics and probability students. Enjoy! |

| **invertedchisquaredistribu.zip** | 1k | 14-04-09 | | **Inverted Chi-Square Distribution** This program works with the inverse (or inverted) chi-square distribution. It will produce values on the pdf, cdf and measures. Graphs of the pdf and cdf are also produced. Enjoy! |

| **invertedchisquarerng.zip** | 1k | 14-04-06 | | **Inverted Chi-Square RNG** There are two files in this folder, one for generating a single random value based on the inverted chi-square distribution and another that will generate a histogram with 99 values showing an approximation to the pdf. Enjoy! |

| **invrst.zip** | 1k | 06-08-13 | | **Inverse T distribution** This finds the function value of the t-distribution given the degrees of freedom and the p-value or the area of the tail. |

| **invt.zip** | 1k | 05-04-12 | | **Inverse T** Because the TI-83 does not have an Inverse T function for use in statistics, I decided to make a program that calculates it for you via a 'back door'. The details on how this program works can be found here: http://www.webb.org/math/starnes/inverse_t_on_the_ti.htm. Version 2: Used a different backdoor approach. This one is much slower, but will return more accurate results, and should not have domain errors. |

| **jbtest.zip** | 1k | 13-09-17 | | **JBTest** This program performs the Jarque-Bera test on a data set to test for normality. The user may enter in data or statistics. The test uses the skew and kurtosis measures (moment formulas). The program will produce the test statistic, the skew, the kurtosis, the sample size and the p-value (it uses chi-square with 2 degress of freedom and this is an asymptotic result). Enjoy! |

| **jesse2.zip** | 1k | 04-02-17 | | **Stat Stuff** This program returns, with the push of a button, the mean, Standard Deviation, and much more! It even equaits an inputted Z-score. Finds the above values from a list, inputted either, from a premade location, or right on the spot. You could do all these things by pencila nd paper, one by one on your calculator...or at the push of a button. |

| **kaplanmeiertest1.zip** | 1k | 15-07-10 | | **Kaplan-Meier Test 1** This program performs a Kaplan-Meier test for 1 sample from survival analysis. Please read the accompanying documentation for details. Enjoy! |

| **kendalltau.zip** | 1k | 14-02-19 | | **Kendall's Tau** This program will compute Kendall's tau for ranked data. Please read the accompanying documentation for a full description. Enjoy! |

| **kruskallwallis.zip** | 1k | 13-07-06 | | **Kruskal-Wallis Test** This program will perform a Kruskal-Wallis test for non-parametric statistics. The user inputs the ranks of the data or the statistics gathered from the data. The program will output the test statistic and p-value. Enjoy! |

| **kurtosistest.zip** | 2k | 14-02-19 | | **Kurtosis Test** This program performs a test of non-normality using the kurtosis of a data set. Included are lists used in the program, so please download these as well if you use the program. Please read the documentation for a full description. Enjoy! |

| **kurtosis.zip** | 1k | 11-06-30 | | **kurtosis** This program will find the kurtosis of a list of data via one of three formulas: 1) Moments 2) Excess 3) SAS formula These formulas can be found on the website: www.ats.ucla.edu/stat/mult_pkg/faq/general/kurtosis.htm |

| **laplacedistribution.zip** | 1k | 11-11-04 | | **Laplace Distribution** This program outputs information about the Laplace (or double exponential) distribution. Enjoy! |

| **laplacehistogram.zip** | 1k | 11-11-04 | | **Laplace Histogram** This program will compute 100 random numbers according to the Laplace distribution and plot the histogram. Enjoy! |

| **laplacerng.zip** | 1k | 11-11-04 | | **Laplace RNG** This program will compute a random number according to a Laplace distribution. Enjoy! |

| **lawoflargenumbers.zip** | 1k | 11-06-17 | | **Law of Large Numbers** This is a short program for demonstrating the law of large numbers. Users enter in a list of data and receive a plot of the number of the data value versus the average of values up to and including that particular value. Can be useful for classroom demonstrations. Enjoy! |

| **leastsquarepolynomial.zip** | 1k | 13-10-04 | | **Least-Squares Polynomial Fit** This program will fit a polynomial of higher degree to a data set. The calculator's pre-programmed commands stop at fourth degree polynomials, this program allows you to choose the degree. Enjoy! |

| **levene.zip** | 1k | 16-03-28 | | **Levene** This program will perform a modified Levene test as an alternative to the F-test. Enjoy! |

| **leveragestatistics.zip** | 1k | 14-03-25 | | **leverage statistics** This program produces leverage statistics used in ordinary linear regression Enjoy! |

| **linearcontrast.zip** | 2k | 14-08-21 | | **Linear Contrast** This program works with the concept of linear contrast in statistics. Please read the documentation for further information. Enjoy! |

| **linearregressionperpendic.zip** | 1k | 14-11-14 | | **Linear Regression Perpendicular Offsets** This program will compute the linear regression using perpendicular offsets instead of vertical offsets. Enjoy! |

| **linereg.zip** | 1k | 09-09-27 | | **Line Regression Solver** Just enter in your points and the program will graph it for you and show you the best fit line. |

| **linreg2.zip** | 1k | 13-08-03 | | **LinReg2** This program will compute a linear regression when given statistics on a data set instead of a data list. It will also compute the deviations of data point has from the mean. Great for elementary statistics. Enjoy! |

| **linrege.zip** | 36k | 12-03-29 | | **LINREGe** This LINEAR REGRESSION Program displays the scatter plot, then the line of best fit, then its equation along with r and r2. In the lists you will see each actual y, the predicted y, the error and relative error of each y. |

| **linregtint2.zip** | 1k | 15-02-12 | | **LinRegTInt2** This file is an update of my previous LinRegInt program and contains an easier readout and more info. Enjoy! |

| **linregtint83.zip** | 1k | 12-08-15 | | **LinRegTInt83** This is a version of the LinRegTInt command that appears on the TI-84 calculator but is programmed for the TI-83+. This program will also compute the confidence interval for the y-intercept as well as the slope of the line whereas the TI-84 program only does the slope. Enjoy! |

| **linregttest2.zip** | 1k | 13-06-21 | | **LinRegTTest 2** This program will conduct a t-test on the slope of the least-squares regression line with the added feature that the hypothesized slope is not zero. The LinRegTTest command assumes this, but this program does not. Enjoy! |

| **list_calc.zip** | 1k | 03-12-22 | | **List Manipulator** Input how many numbers you have in a particular list, then input the numbers themselves, then pick an item from the menu to get goin'! Gets Average, Median, or Range without YOU having to do any thinking. ;) E-mail me @ ezekielvictor@hotmail.com or AIM me @ zekecoasterfreak (if you e-mail me, please include something like "TI-Programs" in the subject line) -Feel Free To Share This Release .. Make Sure I Receive Credit!- |

| **list.zip** | 1k | 03-09-08 | | **List Information** This program will display information(minimum, maximum, mean, standard deviation, variance, how many numbers there are, and mean) about the list that you enter. |

| **lnrgttil.zip** | 1k | 15-04-19 | | **Linear Regression T Tests/Interval Notes** This program contains all the notes needed for Linear Regression distributions. It contains the Intro, Conditions, Mechanics, Conclusion and tips. |

| **logisticdistribution.zip** | 1k | 14-03-13 | | **Logistic distribution** This program works with the logistic distribution. Please read over the documentation for a description. Enjoy! |

| **lognormaldistribution.zip** | 1k | 11-11-11 | | **Lognormal Distribution** This program will graph the pdf of a lognormal distribution. It will also give values for the cdf function (left, right or between). A graph of the cdf can be available (but it takes a little time). This program will also output measures associated with the lognormal distribution. Enjoy! |

| **lognormalgenerator.zip** | 1k | 11-07-03 | | **Lognormal Distribution Generator** This program will output a histogram for N lognormally distributed random variables. |

| **lognormalrng.zip** | 1k | 11-07-03 | | **Lognormal RNG** This is a random number generator for the lognormal distribution. |

| **lslr.zip** | 1k | 14-10-01 | | **Line Squared Linear Regression** Give the Program the needed info and it will calculate the line of best fit for you. |

| **mahanobisdistance.zip** | 1k | 15-05-15 | | **Mahanobis Distance** This program will compute the Mahanobis distance and pooled covariance matrix for 2 groups of 2-D data. Enjoy! |

| **manimo.zip** | 1k | 02-03-03 | | **Manimo** Use this prog (random) instead throwing a penny to choose between 2 (2 to infinite) choices. |

| **mannwhitney.zip** | 1k | 13-07-06 | | **Mann-Whitney Test** This program will perform a Mann-Whitney non-parametric statistics test. The user inputs the ranks of the data values and the program outputs the test statistic and p-value. Enjoy! |

| **marginalconditionaldistri.zip** | 1k | 13-08-18 | | **Marginal Conditional Distribution** This program will produce a marginal or a conditional distribution for a two-way table. Enjoy! |

| **matchedpairsversion2.zip** | 1k | 11-07-08 | | **Matched Pairs T Test Version 2** This is an improvement on my first matched pairs t-test program. This program will perform the test using a data list or statistics. It will also compute the confidence intervals if you have a data list or statistics. If you run a test it will produce the test statistic, the p-value and if you entered in a significance level, it will also produce the decision to make. If you compute a confidence interval, it will provide you with the sample mean, the standard error (not standard deviation), the interval as well as the margin of error. Enjoy! |

| **mcnemar.zip** | 1k | 12-04-25 | | **McNemar's Test** This program performs McNemar's test for dependent samples using proportions. The user enters in the information in matrix format and the program outputs probabilities for successes, test statistic and p-values. It also checks to see if the conditions are satisfied to perform the test. Enjoy! |

| **mds.zip** | 105k | 04-12-14 | | **Multidimensional Scaling** Multidimensional scaling (MDS) is used to display high-dimensional statistical data on a two-dimensional screen. Different techniques are used for different types of data. This package includes correspondence analysis, principal components analysis, biplot axes, classical scaling, unfolding and Procrustes analysis. A user's guide is included. Knowledge of programming isn't required. |

| **meanabsolutedeviation.zip** | 1k | 11-07-08 | | **Absolute Deviation Measures** This program produces the mean absolute deviation and the median absolute deviation for a data set. The user inputs a data set and the program outputs the mean absolute deviation as well as the median absolute deviation (absolute deviation is minimized when the median is used, similarly the standard deviation is minimized when the mean is used). Enjoy! |

| **meanfinder.zip** | 1k | 08-11-30 | | **MeanFinder** MeanFinder is a program that finds the mean (average) of a specified number of numbers. This program is 768 bytes in size. More information in the Readme. |

| **meanmeasures.zip** | 1k | 13-07-21 | | **Mean Measures** This file contains two programs, one is for computing the Tukey Trimean for the measure of the center of a data set and the other is the Trimmed Mean. The user enters in a data set and the percentage of data to "trim" from both ends. Great for statistics students. Enjoy! |

| **meanpredictioninterval.zip** | 1k | 12-09-05 | | **Mean Prediction Interval** This program computes the prediction interval for the mean rsponse value rather than an individual response value. The user enters in the lists, the x0 value and the confidence level. The program outputs the interval, the x0 value, the y-value used in the estimation, the standard error and the degrees of freedom. Enjoy! |

| **meansquareerror.zip** | 1k | 14-01-06 | | **Mean Square Error** This program will compute the mean square error among data lists for a statistical calculation. Just enter in the information and the program will output the mean square error. Great for second level statistics students. Enjoy! |

| **means.zip** | 1k | 00-07-14 | | **Means Formulas v1.10** This program deals with the arithmetic mean, the geometric mean, and the harmonic mean. |

| **medianconfidence.zip** | 1k | 12-02-05 | | **Median Confidence Interval** This program will compute the confidence interval for a median. Enjoy! |

| **millsratio.zip** | 1k | 14-02-06 | | **Mills Ratio** This program plots Mills Ratios for several different types of distributions. Enjoy! |

| **minimumsamplesizehypergeo.zip** | 1k | 13-12-31 | | **Minimum Sample Size Hypergeometric** This program will compute the minimum sample size needed if sampling from a hypergeometric distribution. Enjoy! |

| **mode1.zip** | 1k | 11-03-29 | | **List Mode** This program finds the mode of a list. You enter the numbers either directly or as a defined list, ( for example LN ). The numbers go into L1, which is reduced to one element, if there is a mode. L2 and L3 are also used. |

| **modefinder.zip** | 1k | 05-07-03 | | **Mode finder v1.1 By Max B.** This little program quickly finds the mode of L1, even if the mode is more than 1 number. It is helpful, and has no known errors other than memory. |

| **modejlh.zip** | 1k | 14-03-09 | | **MODEJL** This program find the mode of a data set. The user enters in the data list and the program outputs the mode. This program will output multiple modes if they exist. Enjoy! |

| **mode.zip** | 19k | 16-03-03 | | **Mode 3-In-1** This program adds the capability of finding the mode of a set of numbers, the mode of a particular number that the user can specify and also the mode of a range of numbers. When finding just the mode of a list, it will produce a new list of all unique modes in order and also a matrix of each mode in order from most frequently found to least. I could only find programs that gave only the standard mode, but nothing that ordered all the numbers in a list of unique numbers, so ta-da, I made this! I'm sure you will find this useful, as the TI-83 and TI-84 do not have this functionality. |

| **mpairsttest.zip** | 1k | 11-06-15 | | **mpairsttest** This program will perform a matched-pairs t-test with two samples. The user will input two lists and it will take the difference (L1 - L2) and ask for the alternative hypothesis and whether or not you wish to have a drawing. Enjoy! |

| **multinomial.zip** | 1k | 11-07-03 | | **Multinomial Distribution** This program computes the probability, expected value, variance, covariance of two variables and the correlation between two variables for a multinomial distribution. The user enters the number per group in L1 and the probabilities for these groups in L2. Enjoy! |

| **multipletci.zip** | 1k | 14-08-21 | | **Multiple T Confidence Interval** This program uses the idea of developing a confidence interval for ANOVA using a t-distribution. Please read the documentation for further information. Enjoy! |

| **multir.zip** | 1k | 14-02-07 | | **Multi R** This program computes the coefficients of correlation and determination (adjusted values as well) when performing a multiple linear regression. Enjoy! |

| **mwc.zip** | 3k | 06-09-08 | | **Multiply with Carry** Two Multiply with Carry random generators with periods of 2^59 and 2^120 resp. This type of generator is known for its good properties. Text versions in the file. Also enclosed a text file on the subject by George Marsaglia. |

| **nct2.zip** | 1k | 14-02-16 | | **NCT 2** This is a very short program for computing values on the noncentral student T cdf. It is usually accurate within 2%. Enjoy! |

| **ndieprobability.zip** | 1k | 12-07-19 | | **N-Sided Die Probability** This program computes the probability of obtaining the ith face on the ith roll of an n-sided die. It will also handle the infinity case as well. Enjoy! |

| **negativebinomialgenerator.zip** | 1k | 11-07-03 | | **Negative Binomial Distribution Generator** This program will generate 99 random numbers according to the negative binomial distribution and plot a histogram for this list. |

| **negativebinomial.zip** | 1k | 11-06-30 | | **negative binomial** This program uses the formula: (y-1) C (r-1) p^r (1-p)^(y-r) to compute negative binomial probabilities, and plots of the distribution. The program will compute the following 1) Probabilities a) P(x <= k) b) P(x < k) c) P(x >= k) d) P(x > k) e) P(x = k) f) P(x != k) g) between values as well 2) Mean 3) Mode 4) Variance 5) Standard Deviation 6) Skewness 7) Kurtosis It will plot the following: 1) Histrogram 2) Cumulative Distribution function 3) Frequency Polygon with or without histogram (user's choice) Enjoy! |

| **negativehypergeometric.zip** | 46k | 11-07-22 | | **Negative Hypergeometric Distribution** This program works with the negative hypergeometric distribution. It will compute probabilities, the mean, mode, approx median, variance and standar deviation. It will also produce histograms, frequency polygons and CDFs. Enjoy! |

| **negbinomialrng.zip** | 1k | 11-07-03 | | **Negative Binomial RNG** This is a random number generator for the negative binomial distribution. |

| **noncentralchisquaredistri.zip** | 1k | 11-12-08 | | **Noncentral Chi Square Distribution** This program works with the noncentral chi-square distribution. It will produce graphs of pdf's, cdf's and measures associated with the noncentral chi-square distribution. Enjoy! |

| **noncentralchisquarehistog.zip** | 1k | 11-12-08 | | **Noncentral Chi Square Histogram** This program will generate a histogram of 99 random variables generated according to the noncentral chi-square distribution. The user inputs the degrees of freedom and the meand and variance of the normal distribution the variates are to be chosen. Enjoy! |

| **noncentralchisquarerng.zip** | 1k | 11-12-08 | | **Noncentral Chi Square RNG** This is a random number generator for a noncentral chi-square distribution. Enjoy! |

| **noncentralfhistogram.zip** | 1k | 11-12-16 | | **Noncentral F Histogram** This program will generate a histogram based on random numbers from a non-central F distribution. Enjoy! |

| **noncentraltdist.zip** | 1k | 11-12-29 | | **NCT** This program works with the noncentral t-distribution. It can produce values for the pdf, the cdf (about 5 digit accuracy for the default) and measures for the mean, standard deviation and variance. The interval for the mode is also computed. A graph for the pdf (it takes a very long time to generate though) can also be produced. Enjoy! |

| **noncentralthistogram.zip** | 1k | 11-12-16 | | **Noncentral T Histogram 2** This is a correction to the non-central T Histogram program. |

| **nonparametrictolerancelim.zip** | 1k | 13-12-31 | | **Nonparametric Tolerance Limits** This program works with nonparametric tolerance limits. It produces the minimum sample size needed for one sided and two sided situations. Enjoy! |

| **normaldistribution.zip** | 1k | 16-02-16 | | **normal distribution** This program produces the pdf, cdf, measures and other quantities associated with the normal distribution. Enjoy! |

| **normale.zip** | 21k | 11-12-18 | | **NORMALe** Start by selecting the type of curve you have: 1: Z (the standard normal curve) 2: X (a general normal curve) 3: X-bar (a sampling distribution of a normal curve) Find 1: PROBABILITY or 1: the area to the left of a known boundary R, 2: the area to the right of a known boundary L, 3: the area between two known boundaries L and R. You may select to view the GRAPH. Find 2: THE BOUNDARY of a known 1: LEFT AREA, 2: RIGHT AREA, or 3: CENTER AREA. The result is given as the z-score of the boundary, and actual boundary. |

| **normalprobabiltyplot.zip** | 1k | 13-08-05 | | **Normal Probability Plot** This program will produce a normal probability plot according to how Michael Sullivan describes it in his textbook on Statistics. The Y-coordinates will be different than what the calculator uses, but the overall pattern is similar. This program has the added feature of producing the linear correlation coefficient for such data and displaying it in the upper left corner of the plot. The statistical plot on the calculator does not do this. Enjoy! |

| **normal.zip** | 29k | 06-11-14 | | **Normal v1.00** Normal v1.00 is a "full precision" replacement for the built-in TI-83 normal cumulative distribution function. Normal v1.00 includes an inverse normal program, norminv, which is more accurate for probabilities < 0.995. Norminv handles extremely small probabilities better than the built-in inverse routine. A stand-alone error function is also included. |

| **number2test.zip** | 1k | 12-12-04 | | **Number 2 Test** This program computes the number of objects to sample in order to detect a defective item. The user inputs the lot size, the number suspected of being defective and the probability desired to detect at least one defective item. The program outputs the number to sample and the probability associated with sampling this many items. Great for statistics, probability and survey classes. Enjoy! |

| **numberaverager.zip** | 1k | 05-10-08 | | **Average 1.0** This was my first somewhat useful basic program that was worthy of being loaded online. This program can only average a few numbers at a time, but it might be useful for something. Like all the rest of my files, this one is compressed using the Bzip2 format and requires WinZip 9.0 SR-1 or its equivalent to function. |

| **numexp.zip** | 1k | 05-01-15 | | **TI Number Experiments** This file contains 3 programs that can be used for multiple statistics and probability related projects, and includes a number game as well. Good for novice BASIC programmers. |

| **ocbin.zip** | 1k | 11-11-04 | | **Operating Characteristic Cuve Binomial** This program will plot an operating characteristic curve for a fixed sample size using a binomial distribution. The x-axis is the probability of defects while the y-axis is the binomial probability. It will also produce a specific probability when given the acceptance level, the sample size and the probability of a defect. Enjoy! |

| **ochypergeometric.zip** | 1k | 11-12-05 | | **OC Hypergeometric** This program works with the operating characteristic curve with a hypergeometric distribution. Enjoy! |

| **ocpoisson.zip** | 1k | 11-12-05 | | **OC Poisson** This program works with the operating characteristic curve with a Poisson distribution. Enjoy! |

| **oddse.zip** | 8k | 11-06-30 | | **ODDSe** The Program finds 1. The ODDS against, and in favor, of an event with a known probability of happening, and 2. The PROBABILITY of, and not, happening when given the odds against the event. |

| **odds.zip** | 1k | 12-07-19 | | **Odds** This program will compute the odds in favor, odds against, probability of success and probability of failure given the information. Enjoy! |

| **ogive.zip** | 1k | 13-07-20 | | **Ogive** This program will plot a cumulative ogive and a relative ogive. Great for introductory statistics. Enjoy! |

| **ostat2.zip** | 3k | 05-12-10 | | **OSTAT2** OSTAT2 is a program that was designed as a study aide for the AP Statistics test. It will help you study for the AP Statistics test and may vary well help with any other basic level statistics course. It includes an IQR solver, tests of significance, types of errors, the 7 step approach to answering questions to assure full credit, forumulas, and just about everything else you might need for the AP test. Also program features a looping menu to ease use. |

| **pareto.zip** | 1k | 11-07-03 | | **Pareto** This program computes values associated with the Pareto distribution. It will give values on the pdf as well as the graph, it will compute probabilities on the Pareto distribution (left of a value, right of a value, or between two values). It will also compute measures: mean, median, mode, variance, standard deviation, skewness and kurtosis. It can also graph the failure rate using a Pareto distribution. Enjoy! |

| **parktest.zip** | 1k | 15-03-08 | | **Park Test** This is a small program for a Park test in econometrics. Just enter in the x-data list and the y-data list and the program will do the rest. Enjoy! |

| **partialcorrelation.zip** | 1k | 14-03-10 | | **Partial Correlation** This program will compute partial correlations among several independent variables. Reserved for comparing two for now. Enjoy! |

| **pascodds.zip** | 1k | 02-01-16 | | **Pascal's Triangle Probability** Say you want to calculate the odds of getting a 300 in my bowling game. What would you do? Using probability and Pascal's Triangle, you can find the odds for or against something happening. |

| **pchart.zip** | 1k | 13-02-18 | | **P-chart** This program will produce a p-chart from quality control. The user enters in the number of samples and the sample size. Then the user enters in one list that contains the counts of the attributes that you're interested in. The program will output the mean proportion value, the upper and lower control limits and a graph of the situation. Enjoy! |

| **percentileconfidence.zip** | 1k | 12-02-05 | | **Percentile Confidence Intervals** This program computes the confidence interval for any percentile. Enjoy! |

| **percentiles.zip** | 1k | 13-07-06 | | **Percentiles** This program will compute percentile rank of a data value and it can also give the data value which has a percentile rank. Please read the description for how ties are handled in data values. Great for elementary statistics. Enjoy! |

| **permcombe.zip** | 10k | 12-03-29 | | **PERMCOMBe** The Program finds the number of PERMUTATIONS and COMBINATIONS of n objects taken r at a time. Also given is n! |

| **piechart83p.zip** | 1k | 03-03-09 | | **Advanced PieChart Creator v1.0** Advanced PieChart Creator v1.0 is a wizard that will help you create different piecharts. It will prompt you for the number of sections and the percentage of each section and then draw the piechart. The program will also prompt you for a title for your chart. It can be saved as a picture and published. Very useful, considering piecharts are not built-in! |

| **piechart.zip** | 1k | 00-11-07 | | **Pie Chart** This creates simple, yet effictive pie-charts |

| **piegraph83p.zip** | 1k | 02-02-25 | | **Piegraph Angle Finder** Enter the percentage, and it tells you the angle. |

| **piegraph.zip** | 8k | 03-04-01 | | **Pie Graph** Great pie graph program that works and looks great. Just enter the number of numbers you wish to graph, then enter them in one a time, and watch. After the graph is drawn, use the left right arrow keys to go through each "slice" and see its statistics. Check out the screeshots |

| **plots.zip** | 1k | 03-07-19 | | **Plots** Enter the list(s) of data and this program will show them to you on different plots. |

| **poissonconfidenceinterval.zip** | 1k | 14-02-19 | | **Poisson Conficence Interval** This program will compute a confidence interval for the Poisson parameter using the chi-square distribution. Please read the accompanying documentation for a full description. Enjoy! |

| **poissone.zip** | 24k | 12-05-11 | | **POISSONe** Given a POISSON Random Variable X with mean or average a, the Program shows 1. the standard deviation and variance, 2. the histogram of the distribution, 3. the probability of 0,1,2,3, … occurrences, and 4. P(X = A), P(X < A), P(X > A), P(A < X < B). |

| **poissongenerator.zip** | 1k | 11-07-03 | | **Poisson Random Number Generator** This program will generate poisson random numbers and output a histogram for 99 values stored in a list. |

| **poissonrng.zip** | 1k | 11-07-03 | | **Poisson RNG** This is a random number generator for the Poisson distribution. |

| **poisson.zip** | 1k | 11-06-13 | | **Poisson Distribution** This program computes probabilities for the poisson distribution as well as the mean, median, mode, standard deviation, variance, skewness, and kurtosis. It even has the option of plotting a probability histogram, a graph of the cdf and a frequency polygon. |

| **polarmarsagliarng.zip** | 1k | 13-06-27 | | **Polar-Marsaglia RNG** This program produces two lists of independent Gaussian Random Variables according to the Polar-Marsaglia method. Great for statistics, Numerical SDEs and probability. Plots can be generated as well for each list. Enjoy! |

| **polyfit.zip** | 2k | 09-03-14 | | **Polyfit** Points go in. Polynomial fit comes out. Unlike Curve Fitting (http://www.ticalc.org/pub/83plus/basic/math/statistics/curvefit.zip), the points are stored in L3 and L4, the coefficients (in reverse order) are stored in [A], AND the polynomial (also in reverse order) is stored in Y1. Detailed documentation is included. |

| **power2samples.zip** | 1k | 14-04-22 | | **Power 2 Sample** This program will compute the power, probability of a type II error and the effect size of a 2-sample test when the population standard deviation are known. Just enter in the information requested. Enjoy! |

| **powercurvenormal.zip** | 1k | 13-07-20 | | **Power Curve Normal** This program can be used to construct power curves when testing the power of test for a population mean using a normal distribution. It will do left, right and two-sided alternatives. Enjoy! |

| **predictionintervals.zip** | 1k | 12-09-05 | | **Prediction Intervals** This program computes a prediction interval for a response variable. The user enters in the data lists, the x0 value for estimating and the confidence level. The program outputs the prediction interval, the x0 value, the y-value used as a prediction, the standard error and the degrees of freedom. Enjoy! |

| **probabilitytest2.zip** | 1k | 04-02-16 | | **Probability Test 2.0** This probability tester, an upgrade from Jamaica Bay's "Coin Probability", is faster and more user-friendly! |

| **probabilitytools.zip** | 1k | 04-05-03 | | **Probability** This program can help you by finding the probability of two events or by giving you the number of combinations for a series of elements. This program has MirageOS support. |

| **probab.zip** | 1k | 01-04-04 | | **Probability** Figures out probability of functions |

| **probdiste.zip** | 20k | 11-12-24 | | **PROBDIST** Given a Probability Distribution, The Program finds: the mean, median, standard deviation, variance, and GRAPH. Also found is P(X < A), P(X > A), and P(A < X < B). |

| **probsim.zip** | 1k | 03-04-17 | | **Probability Simulator ver 1.57 build 2.0** This is another work of art from the kitchen here at Xodus Tech. this is a port from my "Xodus Xp" program, this works alot like the flash app, but it only takes up a little over 2 kilo's so it is pretty compact. |

| **probstat.zip** | 2k | 05-03-02 | | **Probability and Statistics** Have trouble with this class? Then this program might help. I add features to it every day. Sadly, I started making it in second semester so it's missing key formulas. It's still very useful. READ THE README FOR INSTRUCTIONS if you don't it'll be confusin <.< |

| **probstopper2.0.1b.zip** | 4k | 03-03-09 | | **Prob Stopper v2.0.1b** For use in Probability and Statistics classes |

| **probtools.zip** | 1k | 05-11-06 | | **Probability Tools 1.0** Flip coins, roll dice, and spin spinners. Your only 352-byte pal for middle school math and probability. Not nearly as graphical as the APP, but there is a huge memory difference, and the 83+ isn't known for its memory. |

| **probwork.zip** | 1k | 01-06-01 | | **Probability Workshop** This Program has many features useful to anyone interested in or learning about probability. |

| **qcorralationcoef.zip** | 1k | 04-06-04 | | **Q correlation coefficient** a programme for working out the Q correlation coefficient |

| **q_correlation.zip** | 2k | 05-08-02 | | **Q' Correlation** To determine the q correlation coefficient for a set of data values. Contains two programs the require: the values of a, b, c and d from a plot, does the calculation quickly. storing the data L1 and L2 with the program doing all other calculations. |

| **qcprobpass.zip** | 1k | 12-07-19 | | **QC Probability Passing** This program computes the probability of a lot passing inspection. Popular in survey classes, discrete math and probability classes. Enjoy! |

| **qfunctioninverseqfunction.zip** | 1k | 13-12-19 | | **Q-function & Inverse Q-function** Programs for approximations of Q-function and Inverse Q-function. |

| **quadrantsumtest.zip** | 1k | 13-10-26 | | **Quadrant Sum Test** This program will perform a simple version of the quadrant sum test. The user enters in two lists of data to represent ordered pairs and the program will conduct the test and produce the test statistic. It will also give the user the option to plot the scatterplot with median lines drawn. Great for introductory non-parametric statistics. Enjoy! |

| **quadrege.zip** | 10k | 15-05-10 | | **QUADREGe** The Program does Quadratic Regression for a given set of ordered pairs. FIRST enter the pairs, with the 1st coordinates in L1 and the 2nd coordinates in L2. Start the Program to display the scatter plot. Press ENTER to see the best fit curve. Press ENTER to see the Quadratic Regression Equation and R^2 You may move from point to point using the right and left arrow keys. |

| **queue1.zip** | 1k | 14-03-05 | | **Queue 1** This program solves problems dealing with queues as a business application. Please read the documentation for a description. Enjoy! |

| **randome.zip** | 40k | 11-06-30 | | **RANDOMe** The Program replaces the need for a random number table. It makes a list of RANDOM NUMBERS for you. You enter how many numbers you need and from what range they are to be selected. You may select without replacement or with replacement. |

| **randomwalk2.zip** | 1k | 11-07-05 | | **Random Walk** This program will produce a random walk based on the description given in Baxter and Rienne's text: Financial Calculus. The user inputs the number of steps to take and the program outputs the results into a list and graphs the walk. Enjoy! |

| **randomwalk.zip** | 2k | 13-11-16 | | **Cross-platform Random Walk** This program performs a random walk around the homescreen of your calculator, and collects the number of steps taken each run. Once no move can be made without crossing a previously visited spot, the program terminates, and reports the number of steps taken, the min and max steps, the mean and median, and the standard deviation. Supports multiple calculators in one file! Download |

| **randvar.zip** | 1k | 01-04-04 | | **Random Variables** This is a great program for statistics class also. It is one of my more simpler programs but hey what works works. All you need to do is have a variable list and a probability list before using the program. |

| **rangeintegral2.zip** | 1k | 14-03-05 | | **Range Integral 2** This program is an alternate form of the range integral and appears to be more accurate and stable for sample sizes up to at least 20. Enjoy! |

| **rangeintegral.zip** | 1k | 14-01-06 | | **Range Integral** This program will compute the probability integral associated with the range of a data set. The program allows for three distributions to be used: Normal, Student t and Chi-square. Enjoy! |

| **rankcorrelation.zip** | 1k | 12-04-05 | | **Rank Correlation** This program computes the Spearman's Rank Correlation. The user enters in the data in ranks. Enjoy! |

| **ratios.zip** | 1k | 00-12-04 | | **Ratio** Program created to find the ratios of a list. This is an excellent program for statistics class when doing exponential growth |

| **rchart.zip** | 1k | 13-02-18 | | **R-chart** This program produces an R-chart from quality control. The weighting factors are in lists and must also be downloaded if you're going to use this program. Enjoy! |

| **reciprocalregression.zip** | 1k | 12-04-05 | | **reciprocal regression** This program will fit data to a curve a(1/x) + b. Enter in the data and the program outputs a scatterplot, the algebraic curve and the r^2 coefficient. Enjoy! |

| **regress.zip** | 1k | 05-05-07 | | **Regression** This program makes it easier to use the built in regression functions on the calc. You select what types of reqression to test and enter the x and y values once and the program picks the best fitting answer out of all of them. |

| **relativeriskodds.zip** | 1k | 13-09-03 | | **Relative Risk Odds Ratio** This program computes the relative risk and the odds ratio that are used in medical and epidemiological studies. The user enters in the number of successes and total number for the treatment group as well as the control group. The program outputs the relative risk and the odds ratio for that situation. Great for statistics students and medical students studying these types of things. Enjoy! |

| **repeatanova.zip** | 1k | 16-05-11 | | **Repeat ANOVA** This program will compute repeated measures ANOVA analysis for balanced designs. Great for psychology students or anyone performing such tests. Enjoy! |

| **residualinvestigations.zip** | 2k | 02-09-30 | | **Residual Investigations** This program, intended for those doing residuals in math class, allows one to input data, create a trend line, and compare the residuals of one's trendline to the residuals of a Linear Regression and Median-Median trendline. It pauses frequently, allowing one to get screenshots for printing. Includes instructions which are also available in the readme text. |

| **resid.zip** | 1k | 13-11-11 | | **Residual Grapher** This is my first program. It plots x and y data and fits a linear, exponential, or quadratic regression line to them. It then plots the residuals. Be sure to enter the data using "{}" or by entering a pre made list "L1". |

| **rksde.zip** | 1k | 13-06-14 | | **Runge Kutta SDE** This program applies the Runge-Kutta algorithm to stochastic DEs. Enjoy! |

| **rngchidistribution.zip** | 1k | 11-12-05 | | **Chi Distribution RNG** This program is a random number generator for a chi distribution (not chi-square). Enjoy! |

| **rngnoncentralf.zip** | 1k | 11-12-16 | | **RNG Noncentral F** This program computes random numbers according to the non-central F distribution. Enjoy! |

| **rngnoncentralt.zip** | 1k | 11-12-16 | | **RNG Noncentral T** This is a correction to the old file |

| **rnt.zip** | 1k | 00-12-10 | | **Random Number Tester** I made this program to see if TI's random number algorithm was really random |

| **runstest.zip** | 1k | 12-02-05 | | **Runs Test** This program conducts a runs test for randomness. The user inputs a list of 0's and 1's to signify the two types of data and the program outputs the number of each type, the number of runs, the sample size, the test statistic and the p-value. Read over the included documentation for more information about the p-value calculations. Enjoy! |

| **rvalue.zip** | 1k | 12-04-05 | | **rvalue** This program is for beginners for computing the r-value. The user inputs the data and the program outputs the standardized scores for the x-list and the y-list. It then outputs the products of these scores and the r-value. Really good for demonstrating the inner workings of the correlation coefficient. Enjoy! |

| **samplechoice.zip** | 1k | 15-03-03 | | **Sample Choices** This program will compute the probability of choosing a certain number of defective items from a population when items are replaced or not replaced. Great for statistics students. Enjoy! |

| **samplesizedetermination.zip** | 1k | 11-10-08 | | **smplsize** This program will determine sample sizes for situations involving normal distributions with means and proportions. Both one and two sample options are available. Enjoy! |

| **samplesizestdev.zip** | 1k | 13-08-18 | | **standard deviation sample size** This program will compute the sample size needed for standard deviations. The user enters the confidence level and the percentage points for the margin of error. The program will output the sample size needed for the standard deviation. Can take some time if confidence is high and percentage points are small, but it is consistent with tables. Great for statistics students. Enjoy! |

| **samplesurveypointest.zip** | 2k | 14-02-26 | | **Sample Survey Point Estimation** This file contains three programs for sample survey design whose purpose is the perform point estimation for random sampling, stratified sampling and cluster sampling. Please read accompanying documentation for each file for further information. Enjoy! |

| **sampsizee.zip** | 24k | 11-12-18 | | **SAMPSIZEe** The Program finds the necessary SIZE n of a SAMPLE to produce a confidence interval of confidence level c based on a known standard deviation S and desired maximum error E. |

| **schart.zip** | 1k | 13-02-18 | | **S-chart** This program will produce an s-chart from quality control. The weighting factors for the upper and lower control limits are included in lists and must also be downloaded if you're going to use this program. Enjoy! |

| **sctrplot.zip** | 1k | 12-01-13 | | **Scatter Plots v1.2** This is a basic Linear/Parabolic regression program. It inputs data into L1 and L2 automatically after typing it in, and you can choose between several methods to get a line of best fit. It auto-formats the graph window to display the scatter plot. Any comments and suggestions you have would be helpful. *Allows you to either enter fresh data into your lists or use data already in your lists. *Linear, Parabolic (quadratic), and Manual fit regression choices. *Rounds all calculations to 3 decimal places. This will run out of Archive with Doors, but I recommend running it from RAM due to a quirk with the Graph Screen. |

| **sde.zip** | 1k | 11-06-17 | | **Numerical SDEs** This zip file contains two programs, one for the stochastic Euler (Euler-Maruyama) Scheme for a pathwise approximation to a stochastic sde and another program for the Milstein program for a pathwise approximation to a stochastic process. Enjoy! |

| **sd.zip** | 1k | 01-12-16 | | **SD** Solve for Standard Deviation and Variance |

| **secantregression.zip** | 1k | 14-11-14 | | **Secant Regression** This program will perform a secant regression on a data set. Enjoy! |

| **signstestcriticalvalues.zip** | 1k | 13-08-08 | | **Signs Test Critical Values** This program will compute the critical values for a signs test. It assumes a two-tailed test is being performed. Great for non-parametric statistics. Enjoy! |

| **signstest.zip** | 1k | 12-02-05 | | **Signs Test** This program will conduct a signs test for a data list. The user enters in the required information and the program outputs the test statistic and the p-value. Enjoy! |

| **skellamdistribution.zip** | 1k | 14-03-05 | | **Skellam Distribution** This program computes many aspects associated with the Skellam distribution. This distribution is used when considering the difference between two Poisson Random Variables. Please read the accompanying documentation for a description. Enjoy! |

| **skewkurtdemo.zip** | 1k | 13-07-20 | | **skew kurt demo** This file contains two programs, one for demonstrating the moment formula for skew and another for demonstrating the moment formula for kurtosis. Great for introductory statistics courses. Enjoy! |

| **skewness.zip** | 1k | 11-06-11 | | **skewness** This program will determine skewness of a data set by using Pearson's first measure (you'll need a MODE Finder, this program uses Jon Bush's program) or by using Pearson's second measure or by using a formula based on moments. The user can choose after the data is entered into a list. |

| **skewtest.zip** | 2k | 14-02-19 | | **Skew Test** This program will perform a test of non-normality using the skew of a data set. Please read the enclosed documentation for a full description. Enjoy! |

| **smallsampleproportionci.zip** | 1k | 13-04-12 | | **Small Sample Proportion Confidence Intervals** This program will produce a confidence interval for a population proportion when the sample size is too small for a normal approximation. It will handle cases when objects are replaced or not replaced. Great for statistics classes when using small samples. Enjoy! |

| **snitter.zip** | 1k | 03-07-04 | | **Snitter** A program where you inputs some (or a lot) different numbers, and when you are ready, the program calculates the average of every number you wrote. It can also save your progress (on a very safe way) if the numbers you're supposed to calculate the average of are very many. Download and enjoy! |

| **sortdata.zip** | 1k | 13-11-30 | | **Sort Data** This program allows you to find the mean, median, max, min, deviation, variance, standard deviation, and order data from least to greatest, all at once. Includes a select-what-you-want menu (not one of those cheap ones) and a convenient layout. All you have to do is select what you want it to find, enter the list of numbers in curly brackets {}, and press enter. Best data sorting program on the market! |

| **sqrtregression.zip** | 1k | 11-10-27 | | **Square Root Regression** This program will perform square root regression for a data set. It tries to fit the form a*sqrt(x) + b. It gives the coefficients a, b and outputs the r-squared value. Enjoy! |

| **squarerootregression2.zip** | 1k | 12-04-09 | | **Square Root Regression 2** This program will fit data to a curve of the form: ax + b*sqrt(x) + c. Just enter in the x-coordinates in L1 and the y-coordinates in L2 and the program will do the rest. Enjoy! |

| **srange.zip** | 1k | 14-04-06 | | **Z-Score Bell Curve Wizard** Allows for very quick references of z-scores, raw values and percentage conversions in basic statistics. This was created because my professor made us all use a "Z" chart that made using "normalcdf(" and "invNorm(" to get a number to the EXACT decimal place a nightmare. With this program, you won't get the actual, correctly rounded numbers, but instead it provides exactly what it says on the chart. This program even partially shows work! |

| **standarddevandstirling.zip** | 1k | 16-03-21 | | **Standard Deviation Frequency Distribution** This folder contains two files, one for computing the standard deviation from a frequency distribution and another concerning Stirling's approximation to n! Enjoy! |

| **standarddeviationci.zip** | 1k | 13-07-01 | | **Standard Deviation CI** This program produces lower and upper bounds for a confidence interval for population standard deviation as well as population variance.Handles both data lists and statistics. Enjoy! |

| **standarddeviationtest.zip** | 1k | 13-10-13 | | **Standard Deviation Test** This program will perform a hypothesis test on standard deviation. It will use either data or statistics. It will output information and even draw diagrams if requested. Please read documentation for full description. Great for statistics students using this test. Enjoy! |

| **standarderrors.zip** | 1k | 15-01-11 | | **Standard Errors** This program contains several formulas for calculating standard errors for many statistics such as means, proportions, deciles, medians, quartiles, coefficient of variation, as well as others. Uses lists or statistics. Enjoy! |

| **standardizedresiduals.zip** | 1k | 13-06-21 | | **Standardized Residuals** This program will compute the internal standardized residuals and produce a normal probability plot. Only works for one x-data list though. Enjoy! |

| **standdeve.zip** | 8k | 11-11-19 | | **STANDDEVe** The Program shows the steps used to hand compute the STANDARD DEVIATION of a sample entered in L1. This includes the deviations from the mean in L2 and the deviations squared in L3. Given are the sum of L1 and the sum of L3. Then you will see the parts used to find the VARIATION and the standard deviation. |

| **stat83p.zip** | 1k | 03-05-25 | | **Stat Master 83+** A stat program I made during advanced math that has Mean Deviation, Standard Deviation (duh), IQR (Inter quartile range), SIQR (semiIQR), assorted notes, and Standard error of confidence! |

| **statcalc.zip** | 144k | 05-05-06 | | **StatCalc** StatCalc adds statistical capabilities to your calculator with quick calculations and readable outputs. Contains StatCalc Pro V1.0.1, StatCalc AP 1.0.1, StatCalc Lite V1.0.0, ZStar V1.3.0, TStar V1.9.0, info pdfs. |

| **statfun83.zip** | 242k | 08-03-20 | | **Statfun83 - AP Statistics upgrades for TI-83 and TI-84** These programs give the TI-83 and TI-84 seven statistics functions that TI added to the TI-84 and yet more from the TI-89 and TI-Nspire: Dotplot; Random sample a list with and without replacement; Inverse t; Inverse chi-square; Chi-Square Goodness-of-Fit; Linear Regression t-Interval; Linear Regression t-Interval with Prediction. Statfun83 provides each function as both a Basic program and as an App. Since the TI-Nspire and TI-84 are approved, these enhancements for the TI-84 and TI-83 are permitted on the AP Statistics exam. |

| **statistics_83p.zip** | 1k | 04-01-19 | | **Statistics Variables** Enter a list or two of data and it will give you: mean of x values, sum of x values, sum of x^2 values, sample standard deviation of x, population standard deviation of x, number of data, mean of y values, sum of y values, sum of y^2 values, sample standard deviation of y, population standard deviation of y, sum of x*y, miniimum of x values, maximum of x values, minimum of y values, maximum of y values, 1st quartile, median, and 3rd quartile. |

| **statistics.zip** | 4k | 03-03-30 | | **TI-83+ Statistics Programs** This suite of programs will do numerous tasks, such as Chi-Sq Confidence Intervals, Chi-Sq Critical Values and test statistics, F Critical Values, and a few other useful functions. |

| **statis.zip** | 1k | 02-03-09 | | **Statis** A little programme for the stat |

| **statlite.zip** | 31k | 06-10-28 | | **StatLitE v1.00** StatLitE v1.00 includes a "full precision" replacement for the built-in TI-83 normal cumulative distribution function. TI-83: normalcdf(-1E99,0,0,1) returns .5000000005 TI-89: TIStat.normCdf(-inf,0,0,1) returns .50000000052481 The replacement normcdf returns .5 on both the TI-83 and TI-89 The built-in norm[al]cdf only has 6 digits of accuracy when z=3 Z-score 3 Excel 2003 0.998650101968370 TI-89 0.99865003277777 TI-83 0.9986500328 StatLitE v1.00s normcdf has full display accuracy Z-score 3 Excel 2003 0.998650101968370 StatLitE normcdf 0.99865010196835 ti83p normcdf 0.998650102 StatLitE v1.00 includes an inverse normal program, norminv, which is more accurate for probabilities < 0.995. Norminv handles extremely small probabilities better than the built-in inverse routine. A stand-alone error function is also included. Chi2cdf, chi2pdf, Fcdf, Fpdf, tcdf and tpdf call the built-in routines, which have full accuracy. They are only included as a convenient reminder about the order of parameter entry. They can all be deleted. |

| **statpace.zip** | 522k | 11-12-20 | | **STATPACe** PUT YOUR PENCILS DOWN! With this collection of 18 programs you may not need a pencil (except to write down results) in your INTRODUCTORY STATISTICS class. |

| **stats1.8xp** | 1k | 02-06-19 | | **Stats 1** Useful data this prog gives 'bout Stats. Just designate your list =D ! |

| **stats2.8xp** | 1k | 02-06-19 | | **Stats 2** Useful data this prog gives 'bout 2 variables Stats. L1 for X and L2 for Y. |

| **stats2.zip** | 1k | 01-05-31 | | **stats** Stats formulas not imbeded into the TI-83 PLUS calculators. |

| **stats.zip** | 6k | 01-06-14 | | **Statistics Master v1.20** This comprehensive program embodies a lot of the principles of statistics. Topics include distribution, regression, probability, and inference. It covers almost every topic that is included in the curriculum for the AP Statistics test. |

| **statx.zip** | 1k | 01-12-22 | | **StatX** A program I made that gives you some statistical information. Some you can get by using the calculator and some you can't. |

| **stat.zip** | 1k | 02-08-09 | | **Stat Tester** A statistics tester which does descrimination tests, product tests (Rejecting/Accepting null hypothysis from number in sample, probability of succes, number of successes, and signifigance level), coin flipping testing, and will also determine the amount of people you need to beat in an extropolation intropolation test (input X as the percent that is the barrier on the normal curve) |

| **stdevdemo.zip** | 1k | 12-05-17 | | **Standard Deviation Demo** This program demonstrates how to compute the standard deviation. It will do population and sample standard deviation step by step. The user enters in a data list and whether they want a sample or population calculation. The program will do the rest. Enjoy! |

| **stdev.zip** | 7k | 03-03-08 | | **Standard Deviation Calculator** A standard deviation grapher for the 83+. Enter your data into a list, then run the program. Select the list, and it will automatically configure and display a histogram, as well as percentages, mean, median, and standard deviation. Draws lines on the graph at mean and first deviation. |

| **stdres.zip** | 1k | 07-05-16 | | **Standardized Residuals Calculator** Calculates standardized residuals (for chi-square tests). |

| **stemandleaf.zip** | 1k | 05-04-19 | | **StemLeaf** Create fast and accurate stem-and-leaf plots on the graphscreen. Also calculates mean and median of the data. |

| **stemleaf.zip** | 1k | 04-11-11 | | **Stem and Leaf Plotter** A simple program that can build simple stem and leaf plots. |

| **stpower.zip** | 1k | 11-05-05 | | **STPOWER** This is a program that will compute the statistical power of a hypothesis test using a normal distribution. It will also give the probability of a Type II Error. Furthermore, it will draw a picture of the area under the normal distribution, centered at the alternative claim, to demonstrate what the Type II Error and power are. Enjoy! |

| **studenttgen.zip** | 1k | 11-07-03 | | **Student T Random Number Generator** This program outputs a histogram of 99 random variables from a "random" number generator for a t-distribution. |

| **supra_stats.zip** | 6k | 10-03-20 | | **SupraStats** Supra stats se charge pour vous de calculer quartiles, déciles, médiane, variance, écart type , moyenne des valeurs entrés dans L1 et des éventuels effectifs dans la liste L2. ( Editez les listes avec « stat » >> Edit
). Il vous construit même la boite à moustaches (diagramme de Tucket) et cela très rapidement. |

| **survey.zip** | 7k | 04-11-28 | | **Survey** Its my updated credits of survey Everything else is the same :-D |

| **tdistribution.zip** | 1k | 11-07-15 | | **T Distribution** This program works with the t-distribution. The user inputs the degrees of freedom and has the pdf, cdf, measures and plots available to them. Enjoy! |

| **testsdifferencespairs.zip** | 1k | 14-01-06 | | **Tests Difference Pairs** This file contains two programs, one for the least significant difference method and one for Scheffe's method for comparing two means for a significant difference after ANOVA has been completed. Enjoy! |

| **tinydice.zip** | 1k | 04-08-12 | | **TinyDice!** TinyDice is a group of dice programs (randInt(1,6), you get the picture). They are all extremely tiny, there special feature! Download now! |

| **tistatse.zip** | 28k | 11-07-27 | | **TISTAT SE v2.0.3 (Deutsch/English)** With the Second Edition of TISTAT you can display diagrams on your TI easier than ever before. You can save 9 different diagrams with up to 20 Entrys and choose between 4 different Types to display them. You can also export your diagrams to a list or save them as picture and you can import diagrams from a list. Thanks to the Data-Backup your files are safer than ever before, and with TISoft's "Undelete" for TISTAT SE (included in the package) you can even recover deleted files. The brand new, self-explanatory user interface is easy to use for everyone and the better Engine makes your diagrams look the way you want it. Mit der "Zweiten Ausgabe" von TISTAT wird es noch leichter Diagramme auf dem Taschenrechner zu erstellen. Es können nun bis zu 9 Diagramme mit 20 Einträgen in 4 verschidenen Darstellungsformen angezeigt werden. Die Diagramme können zudem in eine Liste exportiert oder als Bild gespeichert werden. Es können nun auch Diagramme aus einer Liste erstellt werden. Mithilfe des Backups können Sie jederzeit ein Abbild aller Diagramme sichern und bei Bedarf wiederherstellen. Noch mehr Datensicherheit bietet Ihnen TISoft's "Undelete" für TISTAT SE (Im Liferumfang enthalten), dass selbst gelöschte Diagramme wiederherstellen kann. Dank der komplett überarbeiteten Bedienoberfläche und der verbesserten Darstellungsengine ist TISTAT SE nun noch besser und einfacher bedienbar. |

| **tistat.zip** | 9k | 10-07-15 | | **Tistat (Deutsch/German only)** Tistat kann schnell und einfach bis zu 3 Statistiken als Balken oder Liniendiagramm anzeigen und speichern. |

| **totalnumberinterval.zip** | 1k | 14-03-09 | | **Total Number Interval** This program will compute a confidence interval for the total number of individuals in a category that are considered a success. Enjoy! |

| **transformationgraphing.zip** | 9k | 04-09-09 | | **Regression Plus!!!** This program is simple. And Mirage OS compatible! all you need is to fill in your 2 variable data in L1 and L2, select your type of regression (line, log(y) and x, or log(y) and log(x)). it will transform the equation for you and show you the line of best fit (least squares regression line) and the "curve of best fit". i know that it is very simple for you just to go under the PwrReg command on your calc, but this does so much more while you do so much less! IDEAL FOR AP STATISTICS STUDENTS! email me at trombonetm@aol.com for any suggestions! |

| **translate.zip** | 1k | 03-03-08 | | **Translate** TRANSLATES LIST1 INTO MEAN, MEDIAN, IQR, RANGE, LARGEST#, SMALLEST#,LOWER QUARTILE,AND UPPER QUARTILE. VERY SMALL |

| **triangulardistribution.zip** | 1k | 11-07-08 | | **Triangular Distribution** This program focuses on the triangular distribution. It will graph the pdf and cdf as well as compute values associated with these functions. It will also compute the mean, median, mode, variance, standard deviation, skewness, excess kurtosis, and entropy. The user inputs the left endpoint, the right endpoint and the mode (location of peak of the triangle). If the mode and one of the endpoints are equal, the program will still work. Enjoy! |

| **triangularhistogram.zip** | 1k | 11-11-04 | | **Triangular Histogram** This program will generate 100 random numbers distributed according to a traingular distribution. The user enters in a (left endpoint), b(right endpoint) and c (mode)and the program outputs a histogram. Enjoy! |

| **triangularrng.zip** | 1k | 11-11-04 | | **Triangular RNG** This program will generate a random number according to a triangular distribution. Enjoy! |

| **trime.zip** | 32k | 11-12-24 | | **TRIMe** The Program finds the TRIMMED MEAN of a list of measurements. Enter the data in L1, start the program, and enter the percent of trim. Next you see the mean and count n of the original data and also the mean and count n of the trimmed data. |

| **ttest2.zip** | 1k | 12-08-28 | | **TTest 2** This program conducts a 2-Sample T-Test but unlike the built-in program on the calculator, the assumed difference between the population means does not have to be zero. The user may choose this difference. It will handle both statistics and data lists. Enjoy! |

| **ttest.zip** | 2k | 04-02-04 | | **T-Test Master** A simple, quick t-test program that will save you hours of grueling work on your upcoming science fair paper and will tell you whether your data is statistically significant or not. Much easier to use than the built-in T-test function! |

| **tukeyduckworthtest.zip** | 1k | 13-10-17 | | **Tukey Duckworth Test** This program will perform a Tukey-Duckworth test. This is a non-parametric test for determining if two samples come from identical populations. Just enter in two lists of data and the program will do the rest. Please read the description of the program. Great for statistics students. Enjoy! |

| **tukeytest.zip** | 1k | 13-08-03 | | **Tukey Test** This file contains two programs, one for the Tukey test for ANOVA and another for computing the comparisonwise error rate. Great for students studying ANOVA. Enjoy! |

| **twopoplinearreg.zip** | 1k | 13-06-10 | | **Two Population Regression Test** This program will conduct a two-population regression hypothesis test for the slopes of the regression lines from two different populations. The user inputs two sets of ordered pairs. The program will output the estimated slopes based on linear regression, the estimated variance, the degrees of freedom, the test statistic and the p-value. Enjoy! |

| **twosamplecorrelation.zip** | 1k | 13-06-21 | | **Two Sample Correlation** This program will conduct a test for the differences in correlation coefficients. Enjoy! |

| **twowayanovalatinsquare.zip** | 1k | 14-04-09 | | **Two Way ANOVA Latin Square** This program performs a two-way ANOVA using a Latin square design. Please read the documentation to see how data is entered. Enjoy! |

| **uchart.zip** | 1k | 13-08-18 | | **U-Chart** This program produces a U-chart for quality control. Enjoy! |

| **uncertan.zip** | 1k | 08-09-16 | | **Uncertainty Calculator** This program allows you to know the result of a operation or function of one or two non exact numbers. The output appears in the form of interval. You can continue to use the final result just by enter. Operations: addition,subtraction, multiplication and division. Functions: Sine, Cosine, Tangent, X^-1, X^0.5, X^2, X^3, X^4, logarithm. |

| **uncommonstatsformulas.zip** | 1k | 15-10-18 | | **Uncommon Stats Formulas** This package contains 2 files, on one computing the studentized range and another for computing the variance of residuals. These are small programs so there in here together. Enjoy! |

| **uniforme.zip** | 32k | 15-05-30 | | **UNIFORMe** Given a UNIFORM Random Variable X on an interval [L, R], the Program shows 1. the height H of the probability density function graph, 2. the mean or expected value E(X), 3. the variance and standard deviation, 4. P(X < B), P(X >A), P(A< X < B), and 5. the boundary c for a given probability. |

| **v4.0.zip** | 48k | 04-09-02 | | **BOBStatz** The Back of the book stats program containing over 100 stats definitions, equation solvers for several quations and some helpful notes thrown in for good messure. |

| **variancesolver.zip** | 3k | 06-05-11 | | **Variance Solver** This program was created to help solve direct/inverse variation problems. It solves for k, given the X and Y values and whether it is a direct or inverse variation problem. It is optimized for space, at 204 bytes. It is also MirageOS compatible, for anyone who wants to run it archived. This is the first release, and has no known bugs. |

| **variatn.zip** | 1k | 01-02-20 | | **Variation** This prog will let you solve for the variation of "K", you can solve for X, or Y, and set it up jointly, inversly, or directly. |

| **vif.zip** | 1k | 14-02-06 | | **VIF** This program is for computing Variance Inflation Factors, a common calculation in determining multicollinearity. Enjoy! |

| **vonneumann.zip** | 1k | 05-06-09 | | **Un-Biased Coin Flipper** This is an implementation of von Neumann's algorithm for un-biasing a biased coin. The results are therefore completely entropic. |

| **waldci2.zip** | 1k | 12-07-27 | | **Wald Confidence Interval 2-pop** This program computes the +4 method for two-populations. Enjoy! |

| **waldciforproportions.zip** | 1k | 12-07-19 | | **Wald Confidence Interval** This program computes the Wald Confidence Interval for population propotions (a.k.a. PLUS 4 METHOD). Enjoy! |

| **whitetest.zip** | 1k | 15-09-27 | | **White Test** This folder contains two files pertaining to White's test for heteroscedasticity. One program is White's test and the other program will determine the White Confidence interval for the variance of the slope of ordinary linear regression. Great for econometrics. Enjoy! |

| **wilcoxonranksum.zip** | 1k | 13-07-22 | | **Wilcoxon Rank-Sum Test** This program will perfrom a Wilcoxon Rank-Sum test from non-parametric statistics. It will do the test with data and statistics. If the user chooses data, then the user only needs to put in the data, the program will rank the data accordingly. Some error checking is also available in the program. The program outputs the test statistic and the p-value. Enjoy! |

| **wilcoxonsignrank.zip** | 2k | 13-08-05 | | **Wilcoxon Signed-Rank Test Matched Pairs** This folder contains three files: WSIGNTST, SRCV, and SRPVALUE. WSIGNTST folder will compute the test statistic for a Wilcoxon Signed-Rank Test for Matched Pairs. It will work with data and statistics. Please read the description for further details. The file: SRCV produces the critical values consistent with most tables for the test. The user enters in the AREA LEFT and the sample size. The program will produce the critical value. The program SRPVALUE will produce the approximate p-value for test statistic. The user enters in the test statistic and the sample size. The program allows users to choose a left, right or two-sided test. It will then produce the approximate p-value. This is broken down because together they would run rather slow and take up a lot of memory. Broken up, the user has their choice for information. Enjoy! |

| **wilsonci.zip** | 1k | 12-07-19 | | **Wilson Confidence Interval** This program will compute Wilson's confidence interval for a population proportion. Enjoy! |

| **witdatae.zip** | 24k | 11-12-20 | | **WITDATAe** Where is the data? The Program tells you how many and what percent of your data are within K standard deviations of the mean. It computes the mean, standard deviation, and shows the data that are within K standard deviations of the mean. |

| **xchart.zip** | 1k | 13-02-18 | | **X-chart** This package has two x-charts from quality control, one is a standard x-chart using average range values and another is the x-chart using the average standard deviations. The weighting factors A2 and A3 are included in lists here and need to be downloaded as well if you use these programs. Enjoy! |

| **xdev.zip** | 1k | 01-12-22 | | **XDev** This statistics program finds the amount of information that exists between X Standard deviations of the mean. You chose the X when running the program. |

| **xprediction.zip** | 1k | 13-08-18 | | **X Prediction Interval** This program will produce a prediction interval around an input value given a specified output for a linear regression. This is usually done in calibration problems. Enjoy! |

| **yatescorrection.zip** | 1k | 13-08-18 | | **Yates Correction** This program will perform Yates's correction to chi-square test statistics. Enter in the observed values as a matrix (please read the accompanying file for further info), and the program will do the rest. Great for statistics students studying chi-square. Enjoy! |

| **zarea.zip** | 1k | 05-04-14 | | **ZAREA 2.0** Finds the area under a standard normal distribution from 0, Infinity, Neg. Infinity, and another Z score. |

| **zipfmandelbrotdistributio.zip** | 1k | 15-07-19 | | **Zipf Mandelbrot** This program has info concerning the Zipf-Mandelbrot distribution. Enjoy! |

| **zscore.zip** | 1k | 14-10-01 | | **Probability with ZScore** This program calculates the percentage or probability given the mean score, actual score and standard deviation. Useful for any stats class. Above is percentile and below is probability in most cases. |

| **ztest2.zip** | 1k | 12-08-10 | | **Z-Test 2** This program conducts a 2-Sample Z Test with the added feature that you may test the difference between two populations means to be a constant, not just zero. So you have mean 1 - mean 2 = constant where the calculator's program assumes the constant is zero, this program allows you to enter in your own constant. Enjoy! |

| **ztest.zip** | 1k | 01-12-22 | | **Zstat** Finds the Z Scores for a long set of data. |

| **ztxvaluee.zip** | 32k | 11-12-24 | | **ZTXVALUEe** The Program finds five values: The “z-score” of an x or x-bar, the “t-value” of an x-bar, the “x value” of a known z-score, the “standard error of the mean”, and the “coefficient of variation”. |