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 - 3-4 Exploratory Data Analysis - Exercises 3-4 - Page 173: 18


a. May, $\bar x= 391.7$ b. 2003, $\bar x= 289.75$ c. See below for boxplots. All the distributions are non-symmetric. The mean values increase from 2005 to 2004 to 2003.
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