What is the median of the data set 12, 5, 9, 17, 20 and 8?
Correct answer: B. 10.5
- A. 9.5
- B. 10.5
- C. 11.5
- D. 12.5
Explanation
After arranging the values, the middle two observations are 9 and 12. Since there are six observations, the median is their average, which is 10.5.
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