Texas Instruments TI-84 Plus Manual Book page 373

Input
df
Xlist, Ylist
RegEQ
Test and Interval Output Variables Test and Interval Output Variables Test and Interval Output Variables 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.
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
Chapter 13: Inferential Statistics and Distributions
Description
df (degree of freedom) represents (number of sample categories)
- (number of estimated parameters for the selected distribution +
1).
The names of the lists containing the data for LinRegTTest and
LinRegTInt. Defaults are L1 and L2, respectively. The
dimensions of Xlist and Ylist must be the same.
The prompt for the name of the Y= variable where the calculated
regression equation is to be stored. If a Y= variable is specified,
that equation is automatically selected (turned on). The default is
to store the regression equation to the RegEQ variable only.
Tests
p
2
c
z, t, ,
df
v v
1, 2
Sx1,
Sx2
( ), and then select the
5 5:Statistics
LinRegTTest,
Intervals
Ü
df
v v
1, 2
Sx1,
Sx2
VARS
ANOVA Menu
p TEST
Ü
TEST
t,
df TEST
TEST
TEST
VARS
370