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A statistics practictioner conduct a two-factor analysis of variance experiment with a=4 b=3 and r=8, the...

A statistics practictioner conduct a two-factor analysis of variance experiment with a=4 b=3 and r=8, the sums of squares are listed here: SS(T)=9420 SS(A)=203 SS(B)=859 SS(AB)=513 (a) Test at 5% significance level to determine whether factors A and B interact? (b) Test at 5% significance level to determine whether differences exist between the levels of factors A? (c) Test at 5% significance level to determine whether differences exist between the levels of factors A?

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