An Exercise Science instructor at IVC was interested in comparing the resting pulse rates of students who exercise regularly and the pulse rates of those who do not exercise regularly. Independent simple random samples of 16 students who do not exercise regularly and 12 students who exercise regularly were selected, and the resting pulse rates (in beats per minute) were recorded. The summary statistics are presented in the table below. Is there compelling statistical evidence that the mean resting pulse rate of people who do not exercise regularly is greater than the mean resting pulse rate of people who exercise regularly? Use a significance value of 0.05. Two-Sample T-Test Sample N Mean Standard Deviation Do Not Exercise Regularly 16 75 9 Exercise Regularly 12 69 11 Only missing the conclusion Null Hypothesis, H=. h1=h2 Alternative Hypothesis, H1. =h1>h2 Test Statistic, t= 1.54 P-value= 0.0691 Significance level= 0.05 Conclusion= (A)=there is compeling statistical evidence that the mean resting pulse rate of people who do not exercise regularly is greater than the mean resting pulse rate of people who exercise regularly (B)there is not compeling statistical evidence that the mean resting pulse rate of people who do not exercise regularly is greater than the mean resting pulse rate of people who exercise regularly

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.3: Measures Of Spread

Problem 1GP

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An Exercise Science instructor at IVC was interested in comparing the resting pulse rates of students who exercise regularly and the pulse rates of those who do not exercise regularly. Independent simple random samples of 16 students who do not exercise regularly and 12 students who exercise regularly were selected, and the resting pulse rates (in beats per minute) were recorded. The summary statistics are presented in the table below. Is there compelling statistical evidence that the mean resting pulse rate of people who do not exercise regularly is greater than the mean resting pulse rate of people who exercise regularly? Use a significance value of 0.05.

Two-Sample T-Test

Sample	N	Mean	Standard Deviation
Do Not Exercise Regularly	16	75	9
Exercise Regularly	12	69	11

Only missing the conclusion

Null Hypothesis, H=. h1=h2

Alternative Hypothesis, H1. =h1>h2

Test Statistic, t= 1.54

P-value= 0.0691

Significance level= 0.05

Conclusion= (A)=there is compeling statistical evidence that the mean resting pulse rate of people who do not exercise regularly is greater than the mean resting pulse rate of people who exercise regularly

(B)there is not compeling statistical evidence that the mean resting pulse rate of people who do not exercise regularly is greater than the mean resting pulse rate of people who exercise regularly

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