Question: 7) A psychologist studying addiction tests whether cravings for cocaine and relapse are independent. The following table lists the observed frequencies in the small sample

7) A psychologist studying addiction tests whether cravings for cocaine and relapse are independent. The following table lists the observed frequencies in the small sample of people who use drugs.

7) A psychologist studying addiction tests whether cravings for cocaine and relapse

Relapse Obs. Freq. Yes No Cravings Yes 22 10 32 No 8 17 25 30 27 N = 57 (a) Conduct a chi-square test for independence at a 0.05 level of significance. (Round your answer to two decimal places.) 2 Xobt =

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