Answer
Range is affected by outliers or extreme values, so it might not be a good measure of variance.
Work Step by Step
Since range is the difference between highest and lowest values, a much larger or much smaller value will affect the range.
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 - 3-2 Measures of Variation - Exercises 3-2 - Page 143: 2
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