Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition

Published by McGraw-Hill Education
ISBN 10: 0078136334
ISBN 13: 978-0-07813-633-7

Chapter 3 - Data Description - Review Exercises - Section 3-2 - Page 179: 9

Answer

variance 566.12 standard deviation 23.8
1565627770

Work Step by Step

Find the midpoints of each class, collect the total and individual frequency, then use the group data formula: variance 566.12 standard deviation 23.8
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