Question

The short-term effect of a lecture on attitudes toward illicit drug use was studied by measuring 10 students’ attitudes about drug abuse both before and after they attended a persuasive antidrug lecture given by a former addict. Using the following attitude scores (higher scores indicate more favorable attitudes toward drug use), test the null hypothesis that the antidrug lecture makes no difference in students’ attitudes. What do your results indicate?


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  • CreatedOctober 29, 2015
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