Two-way ANOVA - Practice Problems SET TWO For each graph, indicate if there is a main effect of A, a main effect of B, and/or an interaction of A and B. Graph A Graph B 30 50 45 25 40 20 35 30 15 25 20 10 15 10 UT A1 A2 B2 Al A2 B2 -B1 - - - B2 - B1 - - - B2 Graph C Graph D 70 60 60 50 50 40 40 30 30 20 20 10 10 0 A1 A2 B2 A1 A2 B2 - B1 - - - B2 B1 - - - B2 Graph E Graph F 70 60 50 40 30 20 10 0 A1 A2 B2 A1 A2 B2