Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 12 - Statistics - 12.1 Sampling, Frequency Distributions, and Graphs - Exercise Set 12.1: 11

Answer

The class width is 5.

Work Step by Step

The class width for grouped data is found by looking at the lower class limits of two consecutive classes (rows) on a frequency distribution table and then finding the difference between those two lower class limits. For instance, the first two classes (rows) of data have lower class limits of 0 and 5. The difference is 5 - 0 = 5. This is the class width.
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