Question: A two-factor analysis of variance experiment was performed with a = 3, b = 4, and r = 20. The following sums of squares were

A two-factor analysis of variance experiment was performed with a = 3, b = 4, and r = 20. The following sums of squares were computed:

SS(Total) = 42,450 SS(A) = 1,560

SS(B) = 2,880 SS(AB) = 7,605

Conduct whatever test you deem necessary at the 1% significance level to determine whether there are differences between the levels of factor A, the levels of factor B, or interaction between factors A and B.

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