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.The variable in this study is:
A) the percentage of students who reported using illicit drugs.
B) whether a student used illicit drugs.
C) whether a college student responded to the survey.
D) the number of college students who use illicit drugs.

Question

Quizplus · Accepted Answer

The variable in this study is whether a student used illicit drugs, as this is the characteristic being measured and analyzed in the study. The other answer choices are not variables, as they do not represent the characteristic being measured.

The 2009 National Survey on Drug Use and Health Selected