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.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 9PPS
icon
Related questions
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.

Expert Solution
steps

Step by step

Solved in 3 steps with 8 images

Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill