A sample consists of 11 graduates of the University of Texas (coded 1), 10 graduates of the University of Michigan (coded 2), and 10 graduates of the University of Hawaii (coded 3). Which of the following statistics are appropriate for describing these data? Calculate the statistic if you think it is appropriate.

(a) Modal college attended

(b) Median college attended

(c) Mean college attended

(d) Variance of college attended