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Solved: 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

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A psychologist studying addiction tests whether cravings for cocaine and relapse are independent. The following table lists t



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. Relapse Obs. Freq. Yes No Cravings 22 Yes 12 34 No 7 16 23 N 57 29 28 (a) Conduct a chi-square test for independence at a 0.05 level of significance. (Round your answer to two decimal places.) Xoht Decide whether to retain or reject the null hypothesis. ORetain the null hypothesis. O Reject the null hypothesis and Cramer's V. Hint: Both should give the same estimate of effect size. (If necessary, round your intermediate steps to two or (b) Compute effect size using more decimal places. Round your answers to two decimal places.) V=

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Chi-Square Test Observed Frequencies Column variable Calculations Row variable yes no Total fo-fe

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