Questlon 3 of 4 Does this diet help? A group of 73 people enrolled in a weight-loss program that involved adhering to a special diet and to a dailyr exercise program. After six months. their mean weight loss was 25 pounds. with a sample standard deviation of 3 pounds. A second group of 39 people went on the diet but didn't exercise. After six months. their mean weight loss was 13 pounds. with a sample standard deviation of 5 pounds. Construct a 99.3% condence interval for the mean difference in weight losses. Let [11 denote the mean weight loss of the group with daily.' exercise. Use the 11-34 Plus calculator and round the answers to the nearest integer. A 99.3% condence interval for the mean difference in weight loss. in pounds. is :1: p1 p2 -=