Twenty adult males between the ages of 30 and 40 participated in a study to evaluate the effect of a specific health regimen involving diet and exercise on the blood cholesterol. Ten were randomly selected to be a control group, and ten others were assigned to take part in the regimen as the treatment group for a period of 6 months. The following data show the reduction in cholesterol experienced for the time period for the 20 subjects: Control group: - 7, 5, 4, 14, 2, 5, 21, - 8, 9, 3, Treatment group: -6, 5, 9, 6, 4, 13, 39, 5, 3, 3, (a) Compute the mean, median, and 10% trimmed mean for both groups. (b) Explain what the mean and median suggest about the effect of the regimen. (c) Find the outlier(s) for both groups.