The following figure shows a scatterplot with the regression line. The data are for the 50 states.
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The following figure shows a scatterplot with the regression line. The data are for the 50 states. The predictor is the percentage of smokefree homes. The response is the percentage of high school students who smoke. The data came from the Centers for Disease Control and Prevention.
a. Explain what the trend shows.
b. Use the regression equation to predict the percentage of students in high school who smoke, assuming that there are 70% smoke-free homes in the state. Use 70 not 0.70.
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Related Book For
Introductory Statistics Exploring The World Through Data
ISBN: 9780135163146
3rd Edition
Authors: Robert Gould, Rebecca Wong, Colleen N. Ryan
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