In a study of a weight loss program, 40 subjects lost a mean of 3.0 lb after 12 months. Does the weight loss program have
practical significance?
(1 point)
O Yes, because the mean weight loss of 3.0 lb after one year does seems to justify the program.
O Yes, because the weight loss program worked and the subjects lost a mean of 3.0 lb.
O No, because the mean weight loss of 3.0 lb after one year does not seem to justify the program.
O No, because the sample of 40 subjects was too small to determine if the program was useful.