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: 9

Answer

The lower class limits for each class in order of the table from top to bottom are: 0, 5, 10, 15, 20, 25, 30, 35, 40, 45.

Work Step by Step

The lower class limit for each class is found by looking at the numbers under the heading “Number of Social Interactions” and choosing the lowest number in each row.
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