Consider the following contingency table that records the results obtained for four samples of fixed sizes selected from four populations. Population…

35, 81, 107, 57
Row2: _ 13 _ _ 57 _ _ 80 _ _123
Row3: _ 47 _ _ 44 _ _ 69 _ _ 94_
b. Calculate the expected frequencies for all cells assuming that the null hypothesis is true.
Round your answers to three decimal places, where required.
c. For α=0.025
, find the critical value of χ2
. Specify the rejection and nonrejection regions on the chi-square distribution curve.
Enter the exact answer from the chi-square distribution table.
d.) Find the value of the test statistic χ2
Round your answer to three decimal places.
The value of the test statistic χ2
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