Question: A statistics practitioner conducted a two-factor analysis of variance experiment with a = 4, b = 3, and r = 8. The sums of squares

A statistics practitioner conducted a two-factor analysis of variance experiment with a = 4, b = 3, and r = 8. The sums of squares are listed here:

SS(Total) = 9420 SS(A) = 203 SS(B) = 859

SS(AB) = 513

a. Test at the 5% significance level to determine whether factors A and B interact.

b. Test at the 5% significance level to determine whether differences exist between the levels of factor A.

c. Test at the 5% significance level to determine whether differences exist between the levels of factor B.

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