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StatLitE v1.00
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FILE INFORMATION
Ranked as 29782 on our all-time top downloads list with 629 downloads.
Ranked as 8751 on our top downloads list for the past seven days with 4 downloads.
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statlite.zip
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Filename
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statlite.zip
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Title
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StatLitE v1.00
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Description
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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 v1.00’s 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.
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Author
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Bob Wang (bobwang@comcast.net)
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Category
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TI-83/84 Plus BASIC Math Programs (Statistics)
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File Size
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32,595 bytes
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File Date and Time
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Sat Oct 28 01:06:40 2006
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Documentation Included?
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Yes
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ARCHIVE CONTENTS
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Archive Contents
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Name
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Size
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TCDF.8xp |
143 |
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TPDF.8xp |
127 |
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Annouce.txt |
1131 |
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History.txt |
41 |
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WARNING.TXT |
360 |
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StatLitE v1.00 TI-83.tig |
8608 |
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mem83p.gif |
2396 |
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normcdf.gif |
2077 |
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norminv.gif |
2075 |
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normpdf.gif |
2094 |
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Accuracy Comparisons.xls |
18944 |
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Peter J. Acklam's Inverse Normal Compared to AS241.xls |
13824 |
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StatLitE.doc |
56320 |
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CHI2CDF.8xp |
143 |
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CHI2PDF.8xp |
127 |
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ERF.8xp |
1271 |
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ERFSUB.8xp |
1215 |
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FCDF.8xp |
163 |
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FPDF.8xp |
146 |
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INVNORM.8xp |
1370 |
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NORMCDF.8xp |
228 |
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NORMINV.8xp |
1370 |
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NORMPDF.8xp |
164 |
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