The Basic Practice of Statistics 7th Edition

Published by W. H. Freeman
ISBN 10: 146414253X
ISBN 13: 978-1-46414-253-6

Chapter 7 - Exploring Data: Part I Review - Test Yourself - Page 194: 7.38g

Answer

Replacing x with 2075 in the equation, we have: $ŷ = 1003.28 - (0.49)(2075) = -13.47$ This is not possible because the percent of people who smoke cannot be negative.

Work Step by Step

Replacing x with 2075 in the equation, we have: $ŷ = 1003.28 - (0.49)(2075) = -13.47$ This is not possible because the percent of people who smoke cannot be negative.
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