For the study described in the previous exercise, answer the following questions.
a. What is the population of interest for this study?
b. What claim was tested?
c. What additional information would you want before deciding if it is reasonable to generalize the conclusions of this study to the population of interest?
d. Assuming that the people who participated in the study are representative of the people in the population of interest, do you think that the risk of an incorrect conclusion would have been lower, about the same, or higher if 10 men had participated instead of 20?