Texas Instruments TI-82 STATS Manual Book page 260

STAT TESTS Menu
2
c .Test
Matrix editor:
Input:
Calculated results:
Drawn results:
13–22 Inferential Statistics and Distributions
(continued)
2
(chi-square test; item
c .Test
association on the two-way table of counts in the specified
Observed matrix. The null hypothesis H
no association exists between row variables and column
variables. The alternative hypothesis is: the variables are related.
Before computing a c
matrix. Enter that matrix variable name at the
prompt in the c 2 .Test editor; default=
prompt, enter the matrix variable name to which you want the
computed expected counts to be stored; default=
,
,
) computes a chi-square test for
C
0
2 .Test, enter the observed counts in a
. At the
[A]
Note: Press  ~ ~ 1 to
select 1:[A] from the MATRX
EDIT menu.
Note: Press  [B] Í to
display matrix [B].
for a two-way table is:
Observed:
Expected:
.
[B]