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Mathematics, 08.09.2021 22:40 gugu1004

There are 5 students in a room. The mean age is 20.4 years, and the median age is 19 9 years.
If the youngest person leaves and is replaced by a person who is even younger, what happens to the mean and median?

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There are 5 students in a room. The mean age is 20.4 years, and the median age is 19 9 years.
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