Often frequency data are tabulated according to two categories to decide if there is a relationship between categories and counts, in order words. Do not categories matter? Machine shop Hi Tech errors are tabulated by Shift and Machine with significance level in DATA (Click and Open). Are the machines and shifts operating consistently? Perform the appropriate test.

ALPHA = 0.1

Shift

1 2 3

A 8 10 5

B 7 7 17

C 7 9 17

D 6 7 17

Machine E 6 8 22

F 6 7 15

G 9 10 7

H 8 7 8