Question: Each individual in a random sample of high school and college students was cross-classified with respect to both political views and marijuana usage, resulting in

Each individual in a random sample of high school and college students was cross-classified with respect to both political views and marijuana usage, resulting in the data displayed in the accompanying two-way table (“Attitudes About Marijuana and Political Views,” Psychological Reports, 1973: 1051–1054). Does the data support the hypothesis that political views and marijuana usage level are independent within the population? Test the appropriate hypotheses using level of significance .01.

Usage Level Never Rarely Frequently Liberal 479 173 119 Political Views Conservative 214 47 15 Other 172 45 85

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