The downward trend in smoking you saw in the last exercise is good news for the health
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The downward trend in smoking you saw in the last exercise is good news for the health of babies, but will it ever stop?
a) Explain why you can’t use the linear model you created in Exercise R2.26 to see when smoking during pregnancy will cease altogether.
b) Create a model that could estimate the year in which the level of smoking would be 0%.
c) Comment on the reliability of such a prediction.
Data From Review Exercise 2.26
The Child Trends Data Bank monitors issues related to children. The table shows a 50-state average of the percent of expectant mothers who smoked cigarettes during their pregnancies.
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Related Book For
Intro Stats
ISBN: 9780134668420
5th Edition
Authors: Richard D De Veaux, Paul F Velleman, David E Bock, Nick Horton
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