Answer
(a)
Work Step by Step
a. $z=\frac{82-85}{6}=-0.5$
b. $z=\frac{56-60}{5}=-0.8$
Both are below average, but (a) is closer to the mean, so (a) has a better relative position.
Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition
by Bluman, Allan
Published by
McGraw-Hill Education
ISBN 10:
0078136334
ISBN 13:
978-0-07813-633-7
Chapter 3 - Data Description - Review Exercises - Section 3-3 - Page 179: 22
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