You wish to compare how a low-fat diet, low-fat diet and a brisk four-mile walk each day, and a low-fat diet and a four-mile jog each day affect cholesterol levels. You randomly assign six subjects to each group. scores in Data 18D show the reduction in cholesterol count after 2 months. (a) Give H0. (b) Complete an F test (a = .05) and show your results in a summary table. (c) Apply Tukey?? HSD test. (d) State your conclusions. (e) Calculate effect size.