Test and interval output variables, And then select the, Menu listed in the last column below – Texas Instruments TI-83 PLUS User Manual
Page 425
TI-83 Plus
Inferential Statistics and Distributions
422
Test and Interval Output Variables
The inferential statistics variables are calculated as indicated below. To
access these variables for use in expressions, press
,
5
(
5:Statistics
), and then select the
VARS
menu listed in the last column
below.
Variables
Tests
Intervals
LinRegTTest
ANOVA
VARS
Menu
p-value
p
p
TEST
test statistics
z, t,
c
2,
Ü
t,
Ü
TEST
degrees of freedom
df
df
df
TEST
sample mean of x values for sample
1 and sample 2
v
1,
v
2
v
1,
v
2
TEST
sample standard deviation of x for
sample 1 and sample 2
Sx1,
Sx2
Sx1,
Sx2
TEST
number of data points for sample 1
and sample 2
n1, n2
n1, n2
TEST
pooled standard deviation
SxP
SxP
SxP
TEST
estimated sample proportion
З
З
TEST
estimated sample proportion for
population 1
З
1
З
1
TEST
estimated sample proportion for
population 2
З
2
З
2
TEST