Statistics: Informed Decisions Using Data (4th Edition)

Published by Pearson
ISBN 10: 0321757270
ISBN 13: 978-0-32175-727-2

Chapter 3 - Section 3.2 - Assess Your Understanding - Applying the Concepts - Page 152: 20c

Answer

Samples 1 and 2 overestimate the population S.D, while sample 3 underestimates the population S.D. (Other answers are possible.)

Work Step by Step

The S.D. of samples 1 and 2 are 15.82 and 14.43, respectively, which are more than the population S.D of 12.84. On the other hand, the S.D of sample 3 is 10.34, which is less than the population S.D.
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