Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition

Published by McGraw-Hill Education
ISBN 10: 0078136334
ISBN 13: 978-0-07813-633-7

Chapter 3 - Data Description - 3-2 Measures of Variation - Exercises 3-2 - Page 144: 18

Answer

All the estimated standard deviations are smaller than the true values.

Work Step by Step

Exercises 7, 15, and 17 7. $s=226/4=56.5\lt59.8 sd$ 15 $s=333/4=83.3\lt91.6 sd$ 17 $s=130/4=32.5\lt34 sd$ All the estimated standard deviations are smaller than the true values.
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