Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321755936
ISBN 13: 978-0-32175-593-3

Chapter 2 - Methods for Describing Sets of Data - Exercises 2.22 - 2.43 - Applying the Concepts - Basic - Page 45: 2.31d

Answer

0.1375 or 13.75 %

Work Step by Step

Sum relative frequencies of the classes which fulfill the criteria.
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