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1. For each data set, find the mean, median, and mode.
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