Given that the resting heart rates of 23 students is given in the following table. 61 63 64 65 65 67 71 72 73 74 75 77 79 80 81 82 83 83 84 85 89 95 95 (a) Construct a 50% confidence interval for the standard deviation of the resting heart rates for students in this particular class. (b) Given that the students heart rate of the unknown population variance is claimed to be no different from 144. Test at 5% that data disagree with the claim.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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1. Given that the resting heart rates of 23 students is given in the following table. 61 63 64 65 65 67 71 72 73 74 75 77 79 80 81 82 83 83 84 85 89 95 95 (a) Construct a 50% confidence interval for the standard deviation of the resting heart rates for students in this particular class. (b) Given that the students heart rate of the unknown population variance is claimed to be no different from 144. Test at 5% that data disagree with the claim.

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