Answer
$8$
Work Step by Step
The range can be obtained by subtracting the minimum data value from the maximum data value.
Hence here the range is: $15-7=8$
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 800: 3
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