Statistics: The Art and Science of Learning From Data (3rd Edition)

Published by Pearson
ISBN 10: 0321755944
ISBN 13: 978-0-32175-594-0

Chapter 2 - Section 2.2 - Graphical Summaries of Data - Practicing the Basics - Page 43: 2.11

Answer

a. It shows categories in a variable. The size of a slice is corresponding to the percentage of observations in the category. b. The two numbers portray the frequencies and percentage of weather stations in a given region c. Bar graph, this is because we can more easily to compare the heights of bars.
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