Answer
See below.
Work Step by Step
The range only gives information about the "width" of the data set, but we do not know how close to the mean the items generally lie, which is obtainable from the standard deviation.
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0321867327
ISBN 13:
978-0-32186-732-2
Chapter 12 - Statistics - 12.3 Measures of Dispersion - Exercise Set 12.3 - Page 801: 40
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