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 - Review Exercises - Page 102: 18

Answer

The time series graph is shown below. After an initial increase from year 2003 to 2004, the high school dropout rate for students declined continuously from 2004 to 2008, while from 2008 to 2009, the rate reversed the trend and increased slightly.
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Work Step by Step

See above.
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