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 Distribution and Graphs - Critical Thinking Challenges - Page 107: 2

Answer

a. 2006-2007, 18 b. 2010-2011, 3 c. 2010-2011, 20 d. 1997-1998, 7 e. 2009-2010 f. 6 g. No, the graph shows that the sum of the number of strikes with the average number of days remain roughly unchanged. This means that when you restrict the number of strikes, the average number of days will increase as indicated by the data at year 2010-2011.

Work Step by Step

see above.
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