You are filling in the ANOVA table values for an experiment using a two-factor factorial design.In the experiment, there are three treatments for Factor A and four treatments for Factor B.Four replications are being used for each factor combination.The degrees of freedom that you should assign to the interaction sum of squares is 6.

Question

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In a two-factor factorial design, the degrees of freedom for the interaction between Factor A and Factor B is calculated as (levels of Factor A - 1) * (levels of Factor B - 1). Here, it is (3-1)*(4-1) = 2*3 = 6.

You Are Filling in the ANOVA Table Values for an Experiment