In Problem 19 from Section 13.1, we rejected H0: WM = BM = WF = BF and

In Problem 19 from Section 13.1, we rejected H0: µWM = µBM = µWF = µBF and concluded that the mean profit for the four race-gender groups differ. Use Tukey's test to determine which pairwise means differ using a familywise error rate of a = 0.05.