Question: Drug abuse. A survey was conducted in the United States and 10 countries of Western Europe to determine the percentage of teenagers who had used marijuana and other drugs. The results are summarized in the table.

1. Create a scatterplot.
2. What is the correlation between the percent of teens who have used marijuana and the percent who have used other drugs?
3. Write a brief description of the association.
4. Do these results confirm that marijuana is a " gateway drug," that is, that marijuana use leads to the use of other drugs? Explain.

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Solution: The downloadable solution consists of 2 pages
Deliverable: Word Document