Construct a 95% confidence interval for the population mean in Exercise 2. Interpret the results. Exercise 2

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Construct a 95% confidence interval for the population mean in Exercise 2. Interpret the results.

Exercise 2

The driving distances (in miles) to work of 30 people are shown below. Assume the population standard deviation is 8 miles. Find

(a) The point estimate of the population mean σ and

(b) The margin of error for a 95% confidence interval.

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Elementary Statistics Picturing The World

ISBN: 9780321911216

6th Edition

Authors: Ron Larson, Betsy Farber

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Question Posted: Nov 24, 2015 07:54 AM

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Construct a 95% confidence interval for the population mean in Exercise 2. Interpret the results. Exercise 2

Question:

12 9 7 2 8 7 3 27 21 10 13 7 2 30 7 6 13 6 4 1 10 3 13 6 2 9 2 12 16 18

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a z c n 95 196 8 30 95 29 66 ...View the full answer

Elementary Statistics Picturing The World

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