Stats: Data and Models (3rd Edition)

Published by Pearson
ISBN 10: 0321692551
ISBN 13: 978-0-32169-255-9

Chapter 3 - Displaying and Describing Categorical Data - Exercises - Page 40: 22


a. 115/192 x 100% = 59.9% b. 27/192 x 100% = 14.06% c. 21/115 x 100% = 18.26% d. 21/27 x 100% = 77.78%

Work Step by Step

In order to get the percentages, we find the fraction of each thing being examined by dividing the number of occurrences by the total number of possibilities. We then multiply by 100 to make it a percentage.
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