H_{1}: The row variable has an effect on the average ___________________. H_{1}: The column variable has an effect on the average ___________________. H_{0}: There is no interaction effect...H_{1}: The row variable has an effect on the average ___________________. H_{1}: The column variable has an effect on the average ___________________. H_{0}: There is no interaction effect between row variable and column variable on the average ___________________. H_{1}: There is an interaction effect between row variable and column variable on the average ___________________. MS_{A \times B} = \frac{SS_{A \times B}}{df_{A \times B}}