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 - 2-2 Histograms, Frequency Polygons, and Ogives - Exercises 2-2 - Page 67: 10

Answer

The following figure shows the histograms for each of the data set. Comparing the two histograms, we can see that there were more states in the percentage ranges of 22.5-27.5 and 37.5-42.5 (at or above the required proficiency levels) in math than those in reading. While in the percentage ranges of 17.5-22.5 and 27.5-37.5, the situation is reversed, there were more states doing well in reading than those in math.
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