Answer
The explanatory variable was whether the father was a smoker or non-smoker during the mother's pregnancy. The response variable was the weight of the child at birth.
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 3 - Section 3.5 - Assess Your Understanding - Applying the Concepts - Page 181: 17b
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