Answer
$51.26$
Work Step by Step
The range is the difference between the largest and smallest data item:
The printout gives us
$$\begin{align*}
\text{Maximum $-$ Minimum}& =81.63-30.37 \\
& =51.26 \end{align*}$$
Statistics (12th Edition)
by McClave, James T.; Sincich, Terry T.
Published by
Pearson
ISBN 10:
0321755936
ISBN 13:
978-0-32175-593-3
Chapter 2 - Methods for Describing Sets of Data - Exercises 2.71 - 2.89 - Applying the Concepts - Basic - Page 65: 2.83a
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