What is the median of these numbers: 47, 17, 31, 15, 30, 11, 39?
Answer and explanation
Correct answer: D. 30
- Step 1: Order the numbers: 11, 15, 17, 30, 31, 39, 47. Step 2. The middle (fourth) number is 30. Answer: 30. Why not the others: 27.1: this is the mean, not the median. 15: this is the fourth number as listed, before ordering. 47: this is the largest number.
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