Statistics: Informed Decisions Using Data (4th Edition)

Published by Pearson
ISBN 10: 0321757270
ISBN 13: 978-0-32175-727-2

Chapter 3 - Section 3.2 - Assess Your Understanding - Applying the Concepts - Page 155: 38c

Answer

Range = 78.75 - 31.5 = 47.25 thousand dollars Variance = 176.4 thousand dollars S.D = 13.28 thousand dollars

Work Step by Step

Add 5% to each value and then calculate the variance and S.D. using MS Excel.
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