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18. A common final is given in STAT 2040 at Utah Valley University. The math department chair collects the data for all sections, and summarizes the results for all 94 students in the histogram below. For this distribution, the median: (1.5 pts) a. is larger than the mean . b. is smaller than the mean u. c. is equal to the mean u. d. cannot be determined from the graph. Final Exam Scores N 45 40 40 35 30 25 23 20 20 15 9 Ouo [0-20) [20-40) [40-60) [60-80) [80-100) Grade