If the values \[1,\,\frac{1}{2},\,\frac{1}{3},\,\frac{1}{4},\,\frac{1}{5},\,.....,\frac{1}{n}\] occur at frequencies 1, 2, 3, 4, 5, ?.,n in a distribution, then the mean is

If the values \[1,\,\frac{1}{2},\,\frac{1}{3},\,\frac{1}{4},\,\frac{1}

1.	If the values \[1,\,\frac{1}{2},\,\frac{1}{3},\,\frac{1}{4},\,\frac{1}{5},\,.....,\frac{1}{n}\] occur at frequencies 1, 2, 3, 4, 5, ?.,n in a distribution, then the mean is
A.	1
B.	n
C.	\[\frac{1}{n}\]
D.	\[\frac{2}{n+1}\]
Answer» E.

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If the values \[1,\,\frac{1}{2},\,\frac{1}{3},\,\frac{1}{4},\,\frac{1}{5},\,.....,\frac{1}{n}\] occur at frequencies 1, 2, 3, 4, 5, ?.,n in a distribution, then the mean is

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