Assume we have conducted an experiment to test the hypothesis that marijuana affects the appetites of AIDS patients. The procedure and population are the same as we described previously, except this...

Assume we have conducted an experiment to test the hypothesis that marijuana affects the appetites of AIDS patients. The procedure and population are the same as we described previously, except this time we have sampled 12 AIDS patients. The results are shown here (the scores are in calories):

a. What is the no directional alternative hypothesis?

b. What is the null hypothesis?

c. Using ?? = 0.052 tail, what do you conclude?

d. What error might you be making by your conclusion in part c?

e. To what population does your conclusion apply?

The solution follows.