Statistics: Informed Decisions Using Data (4th Edition)

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

Chapter 5 - Section 5.2 - Assess Your Understanding - Applying the Concepts - Page 280: 48e

Answer

S.D. = 12.89, Q1 = 71.5, Q3 = 85.5 IQR = Q3 - Q1 = 85.5 - 71.5 = 14 (Answers can vary slightly depending on the software/method used.)

Work Step by Step

Calculate S.D. and Quartiles using the Average and Quartile functions in MS Excel. Then subtract Q1 from Q3.
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