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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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tacobeo tacobeo
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A year ago
The 2009 National Survey on Drug Use and Health selected a random sample of U.S. college students and asked them if they had ever used illicit drugs. Approximately 23% of the students surveyed reported using illicit drugs in the past year. Thevariable in this study is:


▸

the percentage of students who reported using illicit drugs.



▸

whether a student used illicit drugs.



▸

whether a college student responded to the survey.



▸

the number of college students who use illicit drugs.

Textbook 
Introductory Statistics: A Problem-Solving Approach

Introductory Statistics: A Problem-Solving Approach


Edition: 3rd
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Aldrich E.Aldrich E.
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A year ago
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