29. Each individual in a random sample of high school and college students was cross-classi ed 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, Psych. Rep., 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 signi cance .01.