(a) For each data set, find the mean, median, and mode. (b) Discuss anything about the data that affects the usefulness of each statistic as a measure of center.
a. Class absences (12 students):
0, 0, 0, 0, 0, 1, 2, 3, 3, 5, 5, 15
b. Exam scores (9 students):
40, 40, 65, 71, 72, 75, 76, 78, 98
c. GPAs (8 students):
2.25, 2.55, 2.95, 3.02, 3.04, 3.37, 3.51, 3.66