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(c) What is the 99% confidence interval for the mean difference in pulse rates of men versus women? The lower bound is

(c) What is the 99% confidence interval for the mean difference in pulse rates of men versus women? The lower bound is

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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  • Lower bound=   and Upper Bound =
  • Use this information to interpret the results in terms of the given problem.
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 53 men and 78 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 Women Mean StDev SE Mean Men Women 99% CI for mu Men - mu Women (- 11.92, - 0.08) T-Test mu Men = mu Women (vs <) T= - 2.68 P = 0.0042 DF = 127 53 112.9 11.1 1.5 78 118.9 14.5 1.6 ..... KA. Ho: H1 = H2; HaiH1> H2 B. Ho: H1 = H2; Hạ: Hy <H2 Ho: H1 = H2; Hai Hy # H2 (b) Identify the P-value and state the researcher's conclusion if the level of significance was a = 0.01. What is the P-value? P-value = 0.0042 State the researcher's conclusion. Which of the following is correct? A. Reject Ho, 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 Ho, there is sufficient evidence to conclude that the mean step pulse of men was less than the mean step pulse of women C. Fail to reject Ho, there is not sufficient evidence to conclude that the mean step pulse of men was less than the mean step pulse of women Check Sallie Mae Account D. Fail to reject Ho, there is sufficient evidence to conclude that the mean step pulse of men was less than the mean step pulse of women Due Date 1:00 PM - 1:30 PM (c) What is the 99% confidence interval for the mean difference in pulse rates of men versus women? Snooze for The lower bound is 5 minutes The unner bound is
Transcribed Image Text: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 53 men and 78 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 Women Mean StDev SE Mean Men Women 99% CI for mu Men - mu Women (- 11.92, - 0.08) T-Test mu Men = mu Women (vs <) T= - 2.68 P = 0.0042 DF = 127 53 112.9 11.1 1.5 78 118.9 14.5 1.6 ..... KA. Ho: H1 = H2; HaiH1> H2 B. Ho: H1 = H2; Hạ: Hy <H2 Ho: H1 = H2; Hai Hy # H2 (b) Identify the P-value and state the researcher's conclusion if the level of significance was a = 0.01. What is the P-value? P-value = 0.0042 State the researcher's conclusion. Which of the following is correct? A. Reject Ho, 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 Ho, there is sufficient evidence to conclude that the mean step pulse of men was less than the mean step pulse of women C. Fail to reject Ho, there is not sufficient evidence to conclude that the mean step pulse of men was less than the mean step pulse of women Check Sallie Mae Account D. Fail to reject Ho, there is sufficient evidence to conclude that the mean step pulse of men was less than the mean step pulse of women Due Date 1:00 PM - 1:30 PM (c) What is the 99% confidence interval for the mean difference in pulse rates of men versus women? Snooze for The lower bound is 5 minutes The unner bound is
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