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?

Transcribed Image Text:

ft 1 75716574 5 f5 96739984 5 d-A B C D E F G H I J