40. The accompanying two-way frequency table appears in the article Marijuana Use in College

(Youth and Society, 1979: 323—334). Each of 445 college studentswas classi ed according to both frequency of marijuana use and parental use of alcohol and psychoactive drugs. Does the data suggest that parental usage and student usage are independent in the population from which the sample was drawn?

Use the P-value method to reach a conclusion.

Standard Level of Marijuana use Never Occasional Regular Neither 141 54 40 One 68 44 51 Both 17 11 19