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

Published by admin at September 1, 2023

Tags

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.

χ2=

d.) Find the value of the test statistic χ2

Round your answer to three decimal places.

The value of the test statistic χ2