Answer
Two other variables that could affect BAC are weight and length of time since last consuming food.
Work Step by Step
BAC can be lower if someone recently ate food. Also, BAC can be affected by a person's weight.
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 4 - Scatterplots and Correlation - Apply Your Knowledge - Page 103: 4.3
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