a. Use the appropriate line graph to determine the
Chapter 1, Problem 1.1.56(choose chapter or problem)
a. Use the appropriate line graph to determine the percentage of seniors who used alcohol in 2000. b. Use the appropriate formula to determine the percentage of seniors who used alcohol in 2000.What do you observe? c. Use the appropriate line graph to estimate the percentage of seniors who used marijuana in 2000. d. Use the appropriate formula to determine the percentage of seniors who used marijuana in 2000. How does this compare with your estimate in part (c)? e. For the period from 1980 through 2006, in which year was alcohol use by seniors at a maximum? Estimate the percentage of seniors who used alcohol in that year.
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