Campus administrators want to determine whether eating disorders are connected to being in fraternities or sororities. Administrators hypothesize that women in sororities will be more likely to report eating disordered behaviors than those who are not. They collect a large sample of responses to a particular eating disorders survey scale of 15 items. Which of the following statistics would you use to test their hypothesis?
a. Independent samples t-test
b. Dependent samples t-test
c. Spearman correlation
d. One-sample t-test
e. Pearson correlation