Problem-Solving and Data AnalysisEasy–MediumMedian of an even number of values
Problem-Solving and Data Analysis practice question
The numbers of emails a person received on six days were 8, 3, 5, 9, 2 and 7. What is the median number of emails?
Answer: 6
In order: 2, 3, 5, 7, 8, 9. With six values, the median is the average of the middle two: (5 + 7)/2 = 6.
Common wrong answers
- If you answered 5
- 5 is the third value; with an even count the median averages the third and fourth.
- If you answered 7
- 7 is the fourth value alone.
- If you answered 5.67
- 5.67 is the mean (34/6), not the median.
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