The variance first n natural numbers is: – McqOptions

MCQOPTIONS

1.	The variance first n natural numbers is:
A.	\(\rm \dfrac{n^2+1}{12}\)
B.	\(\rm \dfrac{n^2-1}{12}\)
C.	\(\rm \dfrac{(n+1)^2}{12}\)
D.	\(\rm \dfrac{2n^2-1}{8}\)
Answer» C. \(\rm \dfrac{(n+1)^2}{12}\)

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