Answer
See below.
Work Step by Step
We should remove any data pairs from the set that contain a $0$, $8$ or $9$ for Confinan and/or $0$, $98$ or $99$ for age.
The Basic Practice of Statistics 7th Edition
by Moore, David S.; Notz, William I.; Fligner, Michael A.
Published by
W. H. Freeman
ISBN 10:
146414253X
ISBN 13:
978-1-46414-253-6
Chapter 27 - One-Way Analysis of Variance: Comparing Several Means - Chapter 27 Exercises - Exploring the Web - Page 676: 27.45b
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