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

by Bluman, Allan

Published by McGraw-Hill Education

ISBN 10: 0078136334

ISBN 13: 978-0-07813-633-7

Chapter 3 - Data Description - 3-2 Measures of Variation - Extending the Concepts - Page 146: 47

Answer

$4.4$

Work Step by Step

For the given data set: $x=5, 9, 10, 11, 11, 12, 15, 18, 20, 22$ $\bar{x}=13.3$, $n=10$ the mean deviation can be calculated as: $4.4$

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