In a two-way factorial ANOVA,to calculate MS_FactorA we divide _____ by _____. A)SS_Total; df_Total B)SS_{Factor A}; df_Factor_A C)SS_Within; df_Within D)SS_FactorA; df_Error

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SS_{Factor A} is divided by df_{Factor A} to calculate MS_{Factor A} because MS_{Factor A} is the variance between the means of the different levels of Factor A, and SS_{Factor A} is the sum of squares between the means of the different levels of Factor A, and df_{Factor A} is the degrees of freedom associated with Factor A.

In a Two-Way Factorial ANOVA,to Calculate MSFactor A We Divide

In a Two-Way Factorial ANOVA,to Calculate MS_FactorA We Divide