Answer
The class frequency is 7.
Work Step by Step
There are 7 numbers between 90 and 99 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: 19
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