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.
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Work Step by Step

See graph above.
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