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 2.1 - 2.21 - Learning the Mechanics: 2.4

Answer

Grade on Statistics Exam Frequency Relative Frequency A: 90–100 16 .08 B: 80–89 36 .18 C: 65–79 90 .45 D: 50–64 30 .15 F: Below 50 28 .14 Total 200 1.00

Work Step by Step

Calculate frequency of Class A Determine relative frequencies
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