need help please

a recent study, 50 males used a new weight loss supplement, and 37 of them experienced weight loss after two weeks. In the same stud e same supplement, and 17 of them experienced weight loss after two weeks. ill in the blanks of the statement below to make the statement the most reasonable possible. The new weight-loss supplement was less effective on ? " in the study because % of them failed to lose weight after two weeks, whereas only % of the ? failed to lose weight after two weeks