alleryFour children are 12, 5, 9 and 7 years old. Their median age is?
A8
B8.5
C9
D7
Answer & Solution
Correct answer: A. 8
1. Arrange: 5, 7, 9, 12.
2. With an even count, take the mean of the two middle values.
3. (7 + 9) / 2 = 8.
_Source: Wikipedia, Median (CC BY-SA 4.0), Median_
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