Mathematics, 20.12.2019 05:31, breanna7667
Aphysical therapist wanted to know whether the mean step pulse of men was less than the mean step pulse of women. she randomly selected 56 men and 80 women to participate in the 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. two sample t for men vs womenn mean stdev se meanmen 56 112.5 11.1 1.5women 80 118.7 14.2 1.695% ci for men – mu woment-test mu men = wu women (vs< )t = 2.85 p = 0.0025 df = 132state the null and alternative hypotheses. which of the following is correct? a)a. h0: u1 = u2; ha : u1> u2b. h0: u1 = u2; ha: : u1 not equal u2c. h0: u1 = u2; ha: u1
Answers: 1
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