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: 19c

Answer

Sample 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 population S.D is 7.7, while S.D of sample 1 and 2 are 10.7 and 10.6, respectively, which overestimate the population S.D. On the other hand, the S.D of sample 3 is 4, which underestimates the population S.D.
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