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UPCAT Mathematics practice question 29: What is the median of the data set 4, 7, 9, 12, 15, 20?

Correct answer

D. 10.5

With an even count, the median is the mean of the two middle values: (9 + 12) ÷ 2 = 10.5.

What is the median of the data set 4, 7, 9, 12, 15, 20?

  1. 9
  2. 11.17
  3. 12
  4. 10.5Correct

Why D is correct

With an even count, the median is the mean of the two middle values: (9 + 12) ÷ 2 = 10.5.

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