Suppose a 2 X 4 Factorial ANOVA with Five Scores $\alpha$

Multiple Choice

Suppose a 2 x 4 factorial ANOVA with five scores per cell produced MS_AB = 225, and MS_error = 100 (where B is the 4 in the 2 x 4) . With $\alpha$ = .01, a Tukey HSD for Factor B would

A) not be appropriate in this instance
B) be significant for a difference of 10 between two B means
C) be significant for a difference of 15 between two B means
D) find differences of neither 10 nor 15 significant.