Elementary Statistics: Picturing the World (6th Edition)

Published by Pearson
ISBN 10: 0321911210
ISBN 13: 978-0-32191-121-6

Chapter 2 - Descriptive Statistics - Section 2.5 Measures of Position - Exercises - Page 112: 52

Answer

Henry Fonda: z = 3.64 John Gielgud: z = 1.91 The age of Henry Fonda was about 3.64 standard deviation above the mean age of Best Actor winners, and the age of John Gielgud was 1.91 standard deviation above the mean age of Best Supporting Actor winners. Henry Fonda’s age is unusual.

Work Step by Step

z = (x - μ) / σ z score between -2 and 2 is usual
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