Operation Manual

TI-83 Plus Inferential Statistics and Distributions 412
c
2
.
Test
c
2
.
Test
(chi-square test; item
C
) computes a chi-square test for
association on the two-way table of counts in the specified
Observed
matrix. The null hypothesis H
0
for a two-way table is: no association
exists between row variables and column variables. The alternative
hypothesis is: the variables are related.
Before computing a
c
2
.
Test, enter the observed counts in a matrix. Enter
that matrix variable name at the
Observed:
prompt in the
c
2
.
Test editor;
default=
[A]
. At the
Expected:
prompt, enter the matrix variable name to
which you want the computed expected counts to be stored; default=
[B]
.
Matrix editor:
Note:
Press
y 
~ ~
1
to select
1:
[A]
from the MATRX EDIT
menu.
Input: