Elementary Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321836960
ISBN 13: 978-0-32183-696-0

Chapter 8 - Hypothesis Testing - 8-2 Basics of Hypothesis Testing - Basic Skills and Concepts - Page 397: 12

Answer

There is sufficient evidence against the claim that the standard deviation of adult women's pulse rate is 50.

Work Step by Step

The sample standard deviation of 11.6 is not really close to the expected 50 and not is likely to happen. Hence there is sufficient evidence against the claim that the standard deviation of adult women's pulse rate is 50.
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