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11.3.21 Question Help A physical therapist wanted to know whether the mean step pulse of men was Two sample T for Men vs Women less than the mean step pulse of women. She randomly selected 56 men and N Mean StDev SE Mean 70 women to participate in the study. Each subject was required to step up Men 56 112.5 11.1 1.5 and down a 6-inch platform. The pulse of each subject was then recorded. Women 70 118.8 14.8 1.8 The following results were obtained. 90% CI for mu Men - mu Women ( - 10.15, -2.45) T-Test mu Men = mu Women (vs H2b) Identify the P-value and state the researcher's conclusion if the level of significance was a = 0.001. What is the P-value? p = State the researcher's conclusion. Which of the following is correct? A. Fail to reject H0, there is not sufficient evidence to conclude that the mean step pulse of men was less than the mean step pulse of women. B. Reject H0, there is not sufficient evidence to conclude that the mean step pulse of men was less than the mean step pulse of women. C. Fail to reject H0, there is sufficient evidence to conclude that the mean step pulse of men was less than the mean step pulse of women. D. Reject H0, there is sufficient evidence to conclude that the mean step pulse of men was less than the mean step pulse of women. c} What is the 95% confidence interval for the mean difference in pulse rates of men vs. women? (__,__) (Use ascending order. Round to two decimal places as needed. Interpret this result. A. We are 95% confident that the means are in the confidence interval. B. We are 95% confident that the mean difference is in the confidence interval. C. 95% percent of the time the mean difference is in the confidence interval. D. 95% percent of the time the means are in the confidence interval