Basic Statistics: Tales of Distributions 10th Edition

by Spatz, Chris

Published by Cengage Learning

ISBN 10: 0-49580-891-1

ISBN 13: 978-0-49580-891-6

Chapter 8 - Samples, Sampling Distributions, and Confidence Intervals - Problems - Page 169: 8.29

Answer

For females, the 95% confidence interval appears to be from 11 to 15 years old. For males, the 95% confidence interval includes the values from 13.9 to 15.7 years old.

Work Step by Step

We use Figure 8.8 to make the following statements .

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