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Statistics

Test the significant difference between chi-square for attributes.

Are teen's attitudes toward trying cocaine dependent on their GPA? Using data from the MTF 2006, test whether attitude toward trying cocaine is independent of high school GPA (∝ = 0.01). How is this relationship different from the bivariate relationships explored in Exercises 10 and 11?

 Attitude Toward GPA Trying Cocaine 2.0 or less 3.0 4.0 Total Don't disapprove 24 30 15 69 Disapprove 28 31 27 86 Strongly disapprove 82 187 182 451 Total 134 248 224 606

Statistics and Probability, Statistics

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