Essentials of Statistics (5th Edition)

Published by Pearson
ISBN 10: 0-32192-459-2
ISBN 13: 978-0-32192-459-9

Chapter 2 - Summarizing and Graphing Data - 2-4 Graphs That Enlighten and Graphs That Deceive - Page 71: 18

Answer

It doesn't make sense to make a pie chart.

Work Step by Step

Each data is independent from each other, their sum doesn't mean anything, therefore it doesn't make sense to make a pie chart. The results suggest hat U.S. education should increase it's weekly instruction hours.
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