Answer
The tally is 5 "sticks" and the class frequency is $5$.
Work Step by Step
There are 5 numbers from 120 and 129 in the data list.
Thus, the tally is 5 "sticks" and the class frequency is $5$.
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 - 10.3 Frequency Distributions and Histograms - 10.3 Exercises - Page 732: 36
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