We take a sample of 218 men and find they have an average commute time of 32 minutes with a standard deviation of 7 minutes. a.) Construct a 95% confidence interval. b.) Describe the interpretation of the confidence level.

We take a sample of 218 men and find they have an average commute time of 32 minutes with a standard deviation of 7 minutes. a.) Construct a 95% confidence interval. b.) Describe the interpretation of the confidence level.

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

We take a sample of 218 men and find they have an average commute time of 32 minutes with a standard deviation of 7 minutes.

a.) Construct a 95% confidence interval.

b.) Describe the interpretation of the confidence level.

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