15
QuizMultiple Choice

Box Plots

Question 15 • Concepts in Probability and Statistics A

Nicole received the following scores on her last 10 math assignments. 100, 88, 76, 78, 92, 94, 84, 98, 82, 90What is the Nicole’s median score?

Answer
A
24
B
88
C
89
D
93

Explanation

Put the scores in order: 76, 78, 82, 84, 88, 90, 92, 94, 98, 100. With 10 scores, the median is the average of the two middle scores, 88 and 90. Their average is (88 + 90) ÷ 2 = 89, so the median score is 89.

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