Answer
We need to take into account all the variables before drawing any conclusions. Most of the time, a lurking variable is causing the correlation which can lead to wrong conclusions.
Work Step by Step
Given above.
Statistics: Informed Decisions Using Data (4th Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0321757270
ISBN 13:
978-0-32175-727-2
Chapter 4 - Review - Review Exercises - Page 249: 17d
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