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: 7

Answer

The time series graph for the data is shown below. It can be seen that the average spending increased sharply between 2005 and 2007, while from 2007 to 2011 the increase was slow. However, from 2011 to 2012 (and may be beyond), the increase is sharp again.

Work Step by Step

See graph above.
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