In a table depicting the cells of a two-way ANOVA, the marginal means reflect:
A) the interaction.
B) the two main effects.
C) one of the main effects.
D) within-groups variance.

Question

Quizplus · Accepted Answer

Marginal means reflect the overall means for each level of a variable, regardless of the level of the other variable. In a two-way ANOVA, there are two main effects (one for each variable) which are reflected in the marginal means. Therefore, the correct answer is B - the two main effects.

In a Table Depicting the Cells of a Two-Way ANOVA