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 .
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
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