Test And Interval Output Variables - Texas Instruments TI-82 STATS Manual Book

Test and Interval Output Variables

The inferential statistics variables are calculated as indicated below. To access these
variables for use in expressions, press ,
menu listed in the last column below.
VARS
Variables
p-value
test statistics
degrees of freedom
sample mean of x values for sample
1 and sample 2
sample standard deviation of x for
sample 1 and sample 2
number of data points for sample 1
and sample 2
pooled standard deviation
estimated sample proportion
estimated sample proportion for
population 1
estimated sample proportion for
population 2
confidence interval pair
mean of x values
sample standard deviation of x
number of data points
standard error about the line
regression/fit coefficients
correlation coefficient
coefficient of determination
regression equation
13–28 Inferential Statistics and Distributions
(
5 5:Statistics
Tests Intervals
p
Ü Ü Ü Ü
2
, , ,
z t
c
df df
, ,
v1 v2 v1 v2
,
Sx1, Sx1
Sx2 Sx2
, ,
n1 n2 n1 n2
SxP SxP
Ç Ç Ç Ç Ç Ç Ç Ç
Ç Ç Ç Ç 1 Ç Ç Ç Ç 1
Ç Ç Ç Ç 2 Ç Ç Ç Ç 2
,
lower
upper
v v
Sx Sx
n n
), and then select the
LinRegTTest, VARS
ANOVA Menu
p TEST
Ü Ü Ü Ü
,
t TEST
df TEST
TEST
TEST
TEST
SxP TEST
TEST
TEST
TEST
TEST
XY
XY
XY
s TEST
,
a b EQ
r EQ
2
r EQ
RegEQ EQ