If the mean of m observations out of n observations is n and the mean – McqOptions

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1.	If the mean of m observations out of n observations is n and the mean of remaining observations is m, then what is the mean of all n observations?
A.	2m â€“m^2/n
B.	2m â€“m/n
C.	2m
D.	2m â€“m
Answer» B. 2m â€“m/n

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