The Basic Practice of Statistics 7th Edition

Published by W. H. Freeman
ISBN 10: 146414253X
ISBN 13: 978-1-46414-253-6

Chapter 2 - Describing Distributions with Numbers - Chapter 2 Exercises - Page 68: 2.32a

Answer

A histogram of percents would show an easier comparison than a histogram of the raw numbers.

Work Step by Step

Additionally, there is a set of ages when all babies are born, so that would be why a histogram of percentages would be better than the histogram of raw data.
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