A physical therapist wanted to know whether the mean step pulse of men was less than the mean step pulse of women. She randomly selected 55 men and 77 women to participate in the Two sample T for Men vs Women study. Each subject was required to step up and down a 6-inch platform. The pulse of each subject was then recorded. The following results were obtained. N Mean StDev SE Mean Men 55 112.5 11.7 1.6 Women 77 118.2 14.2 1.6 98% CI for mu Men - mu Women (-11.07, -0.33) T-Test mu Men = mu Women (vs H2 B. Ho: H1 = H2i Ha: H1