The mean of n items is \[\bar{x}\]. If the first term is increased by 1, second by 2 and so on, then new mean is [DCE 1998]

The mean of n items is \[\bar{x}\]. If the first term is increased by

1.	The mean of n items is \[\bar{x}\]. If the first term is increased by 1, second by 2 and so on, then new mean is [DCE 1998]
A.	\[\bar{x}+n\]
B.	\[\bar{x}+\frac{n}{2}\]
C.	\[\bar{x}+\frac{n+1}{2}\]
D.	None of these
Answer» D. None of these

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The mean of n items is \[\bar{x}\]. If the first term is increased by 1, second by 2 and so on, then new mean is [DCE 1998]

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