Question 2 • Concepts in Probability and Statistics A
Put the numbers in order: 51, 54, 60, 66, 68, 75, 77, 80. There are 8 numbers, so the median is the average of the two middle numbers, 66 and 68. Their average is (66 + 68) ÷ 2 = 67, so the correct choice is D, 67.
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