CHI SQUARE TEST OF INDEPENDENCE: Of a sample of 80 single and married women surveyed, we obtained the following data as to the sizes of cars each one owns (assuming 1 car per person). Test whether car size is independent of marital status at the .01 significance level.
|
|
Compact
|
Midsize
|
Luxury
|
TOTAL
|
|
Single
|
8
|
14
|
8
|
30
|
|
Married
|
32
|
10
|
8
|
50
|
|
TOTAL
|
40
|
24
|
16
|
80
|
a) P-value = ________________
b) REJECT THE NULL or DO NOT REJECT THE NULL? (Circle one)
c) Can we conclude that car size is dependent on marital status? YES or NO (circle one)