Answer
Not enough info/data to confirm
Work Step by Step
There could be a hidden variable affecting the beavers' behavior. Thus, we need to run more experiments to be sure.
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 5 - Regression - Chapter 5 Exercises - Page 159: 5.59
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