Use the data in Exercise 7 to solve this exercise. a.
Chapter 12, Problem 37(choose chapter or problem)
Use the data in Exercise 7 to solve this exercise. a. Determine the correlation coefficient, rounded to two decimal places, between the percentage of teenagers who have used marijuana and the percentage who have used other drugs. b. Find the equation of the regression line for the percentage of teenagers who have used marijuana and the percentage who have used other drugs. Round m and b to two decimal places. c. What percentage of teenagers, to the nearest percent, can we anticipate using illegal drugs other than marijuana in a country where 10% of teenagers have used marijuana?
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