Exercises 47–present data in the form of tables. For each data set shown by the table,
a. Create a
b. Use the scatter plot to determine whether an exponential function, a logarithmic function, or a linear function is the best choice for modeling the data. (If applicable, in Exercise 72. you will use your graphing utility to obtain these functions.)
Teenage Drug Use
Percentage Who Have Used | ||
Country | Marijuana | Other Illegal Drugs |
Czech Republic | 22 | 4 |
Denmark | 17 | 3 |
England | 40 | 21 |
Finland | 5 | 1 |
Ireland | 37 | 16 |
Italy | 19 | 8 |
Northern Ireland | 23 | 14 |
Norway | 6 | 3 |
Portugal | 7 | 3 |
Scotland | 53 | 31 |
United States | 34 | 24 |
Source: De Veaux et al,. Intro Stats, Pearson. 2009.
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