What is the median of the data set 2, 11, 15, 4, 9, 5, 9?
Answer and explanation
Correct answer: A. 9
- Step 1: Sort the data: 2, 4, 5, 9, 9, 11, 15.
- Step 2: With 7 values the median is the 4th one: 9.
Answer
9.
Why not the others: 7.9 is the mean; 15 is the maximum; the middle value of the unsorted list is not the median.
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