A Study Compared Dry Matter Intake (Dmi) in Mature Cows

Multiple Choice

A study compared dry matter intake (dmi) in mature cows (C) and heifers (H) receiving no treatment (control) , treatment A, or treatment B. The two factors are type of animal and treatment. Each factor combination has eight animals. The above plot of the means, which is derived from a two-factor analysis of variance, is called:

A) an interaction plot.
B) a parallel means plot.
C) a nonparallel means plot.
D) a crossover plot.