Answer
The class frequency is 13.
Work Step by Step
There are 13 numbers between 70 and 79 in the data list.
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapter 10 - Statistics - Review Exercises - Page 752: 17
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