Question: a. Find the expected frequency for each cell. A B Total 1 20 20 30 30 50 50 2 30 30 45 45 75 75

a. Find the expected frequency for each cell.

A

B

Total

1

20

20

30

30

50

50

2

30

30

45

45

75

75

Total

50

50

75

75

125

125

(Type integers ordecimals.)

b. Compare the observed and expected frequencies for each cell.

The totals for the observed and expected frequencies are the same.

C. compute 2STAT. Is it significant at =0.05?

First let 1 be the proportion of all events of interest inA, and let 2 be the proportion of all events of interest in

Upper H 0 : pi 1 equals pi 2

H0:1=2

Upper H 1 : pi 1 not equals pi 2

H1:12

Calculate the test statistic.

x2STAT =

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