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 - 3-3 Measures of Position - Exercises 3-3 - Page 159: 10

Answer

Robert C. Byrd $z_{B}=2.30$ John Sununu $z_{S}=-1.70$

Work Step by Step

Given $\mu=59.5$ and $\sigma=11.5$ For Robert C. Byrd (D, WV), $z_{B}=\frac{86-59.5}{11.5}=2.30$ For John Sununu (R, NH), $z_{S}=\frac{40-59.5}{11.5}=-1.70$
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