You are conducting a test of the claim that the row variable and the column variable are dependent in the following contingency table. X Y Z A 55 18 30 B 45 43 40 Give all answers rounded to 3 places after the decimal point, if necessary. (a) Enter the expected frequencies below: X Y Z A B (b) What is the chi-square test-statistic for this data? Test Statistic: X = (c) What is the critical value for this test of independence when using a significance level of a = 0.025? Critical Value: X2 =