SOLUTION: The arithmetic mean of 25 numbers is 68.find their sum.explain me please
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Question 990494: The arithmetic mean of 25 numbers is 68.find their sum.explain me please
Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
The arithmetic mean of a set of numbers is the average of those numbers,
and the average is the sum, divided by how many numbers are being averaged.
In this case,
.
--->---> .
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