Question: Even with campaigns to reduce smoking Americans still consume more

Even with campaigns to reduce smoking, Americans still consume more than four packs of cigarettes per month per adult ( The Centers for Disease Control and Prevention track cigarette smoking in the United States. How has the percentage of people who smoke changed since the danger became clear during the last half of the 20th century? The scatterplot shows percentages of smokers among men 18–24 years of age, as estimated by surveys. (Centers for Disease Control and Prevention;
a) Do you think there is a clear pattern? Describe the trend.
b) Is the association strong?
c) Is a linear model appropriate for these data? Explain.

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  • CreatedMay 15, 2015
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