The mean replacement time for a random sample of 12 microwave ovens is 8.6 years with a standard deviation of 3.7 years. Construct the 98% confidence interval for the population variance, σ2. A. (5.744,42.17) B. (1.646,13.331) C. (2.468,7.023) D. (6.091,49.325)

The mean replacement time for a random sample of 12 microwave ovens is 8.6 years with a standard deviation of 3.7 years. Construct the 98% confidence interval for the population variance, σ2. A. (5.744,42.17) B. (1.646,13.331) C. (2.468,7.023) D. (6.091,49.325)

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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Question

The mean replacement time for a random sample of 12 microwave ovens is 8.6 years with a standard deviation of 3.7 years. Construct the 98% confidence interval for the population variance, σ2.

(5.744,42.17)

(1.646,13.331)

(2.468,7.023)

(6.091,49.325)

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