Question

Use the contingency table to the right to complete parts a through c below A B...

Use the contingency table to the right to complete parts a through c below

A

B

Total

1

52

18

70

2

18

12

30

Total

70

30

100






Find the expected frequency for each cell

A

B

Total

1

70

2

30

total

70

30

100

b) Compare the observed and expect frequencies for each cell

Choose the correct answer below

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

The observed values are always greater than the expected values

The totals for the observed values are always greater than the totals for the expected values.

The expected values are always greater than the observed values.

C) Compute 2χ2STAT.Is it significant at a=0.010.01​?

rounding to two decimal places.


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