The mean of five no. Is 27 if one no. Is excluded thier mean is 2t .Find the excluded observation
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First of all the question is typed wrong!
It has to be 25 instead of 2t!
Mean of the five numbers=27
Sum of the five numbers =27×5
=135
Let the number excluded be x.
A/Q
(135-x)4=25
135-x=100
x=35.
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