Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 15 - Section 15.7 - Range and Standard Deviation - Exercise - Page 521: 7

Answer

73

Work Step by Step

The range is the difference between the highest and lowest values in the list. Simplify identify the largest and smallest numbers the subtract to find the difference. The largest number is 91. The smallest number is 18. The range is $91-18=73$.
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