Problem-Solving and Data AnalysisHardChange in median when a large value is added
Problem-Solving and Data Analysis practice question
A data set is 3, 5, 8, 12, 20. A sixth value, 100, is added. By how much does the median increase?
Answer: 2
The median goes from 8 to (8 + 12)/2 = 10, an increase of 2.
Common wrong answers
- If you answered 0
- 0 assumes the median is unchanged.
- If you answered 10
- 10 is the new median.
- If you answered 80
- 80 is the change in the maximum.
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