#### Answer

The class frequency is 7.

#### Work Step by Step

There are 7 numbers between 80 and 89 in the data list.

Published by
Pearson

ISBN 10:
0321825535

ISBN 13:
978-0-32182-553-7

The class frequency is 7.

There are 7 numbers between 80 and 89 in the data list.

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