Powerful TI84 Stats programs for your calculator so you can pass your statistics class. Or, earn an A with less time and effort.
First, you must have TI Connect (CE) on your desktop or laptop to connect your calculator to your computer. If you don’t already have TI Connect, you can see this page (video included) about how to download it for free from the TI.com site.
You can download the programs right here.
Then, you’ll want to watch the video below so you can see how to download programs onto your TI84+ CE calculator.
To see one of the TI84 stats programs in action, you can watch this video: LINK
Within the next few weeks, you can view all of the powerful TI84 stats programs in actions. On the mcstutoring.com channel LINK, you can see them in use for specific stats questions.
Meanwhile, this is what the statistics programs will look like as viewed from your TI Connect CE window:

I’ve taken the liberty of using an updated version of X2GOF as the one on the other site isn’t a .8XP file.
Description of Your Powerful TI84 Stats Programs
Below is the official information from Triola Stats along with Michael Lloyd of Henderson State University:
TI 83/84 Plus Programs
The programs in this folder were written by Michael Lloyd of Henderson State University and are provided his permission. All files can be downloaded from triolastats.com
You need to connect your TI-83/84 Plus calculator to your computer using a USB cable and use TI Connect Software to copy ”8xp” files to your calculator. The files with extensions of .txt are text files of the programs containing more information.
The programs zzinewt, zzmenu, zzrank, and zzrpdf are subroutines for other programs, so be sure to include them.
.8xp file name Program Name
anova2rb.8xp 2-FACTOR ANOVA: RANDOMIZED BLOCK DESIGN
farea.8xp F DISTRIBUTION TAIL AREA
invf.8xp F DISTRIBUTION CRITICAL VALUE
invt.8xp STUDENT’S T DISTRIBUTION CRITICAL VALUES
invx2.8xp CHI-SQUARED DISTRIBUTION CRITICAL VALUE
kwtest.8xp KRUSKAL-WALLIS TEST
mlreg.8xp MULTIPLE LINEAR REGRESSION
rarea.8xp R DISTRIBUTION TAIL AREA
rstest.8xp RANK SUM TEST
rval.8xp CORRELATION COEFFICIENT CRITICAL VALUE
s2int.8xp S2INT
s2test.8xp S2TEST
srcorr.8xp SPEARMAN RANK CORRELATION COEFFICIENT
srtest.8xp SIGNED-RANK TEST
tarea.8xp TAIL AREA UNDER T DISTRIBUTION
x2area.8xp CHI-SQUARED AREA
x2gof.8xp CHI-SQUARED GOF
zarea.8xp CUMULATIVE NORMAL DISTRIBUTION
zval.8xp Z VALUE FOR THE STANDARD NORMAL DISTRIB.
zzinewt.8xp NEWTON’S METHOD FOR INTEGRAL FUNCTIONS (Subroutine for many statistics programs)
zzmenu.8xp MMENU FOR CRITICAL VALUES FROM SYMMETRIC DISTRIBUTIONS (Subroutine for many statistics programs)
zzrank.8xp ZZRANK (Subroutine for many nonparametric tests)
zzrpdf.8xp ZZRPDF (Subroutine for RAREA and RVAL)