What is the median of 21, 3, 22, 9, 8, 30, 23?
Answer and explanation
Correct answer: B. 21
- Step 1: Order the values: 3, 8, 9, 21, 22, 23, 30. The middle value is 21. Answer: 21. Why not the others: 9: takes the middle of the unsorted list. 16.6: gives the mean. 27: gives the range.
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