Texas Instruments TI-83 Manual Book page 260

2
c
-Test
Matrix editor:
Input:
Calculated results:
Drawn results:
13-22 Inferential Statistics and Distributions
2
c .Test (chi-square test; item
for association on the two-way table of counts in the
specified Observed matrix. The null hypothesis H
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
matrix. Enter that matrix variable name at the
2
prompt in the c .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
C
2
.Test, enter the observed counts in a
[A]
Note: Press Ž ~ ~ 1 to
select 1:[A] from the MATRX
EDIT menu.
Note: Press Ž [B] Í to
display matrix [B].
for a
0
Observed:
. At the
Expected:
.
[B]