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 2 - Frequency Distributions and Graphs - 2-3 Other Types of Graphs - Exercises 2-3 - Page 91: 8

Answer

The time series graph for the data is shown below. The average spending experienced a small increase from 2007 to 2008, dropped sharply from 2008 to 2009, remained unchanged from 2009 to 2010, and then increased rapidly from 2010 to 2012.

Work Step by Step

See graph above.
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