You wish to compare the short-term effects of three new sleep-aid drugs. You try all three in a sample of eight subjects, with 5 days between each test. Data 18E give the number of hours slept during the night under each drug. (a) Give H0. (b) Conduct the F test (a = .05). (c) Apply Tukey?? HSD test. (d) State your conclusion. (e) Calculate effect size.