1.

If v is the variance and s is the standard deviation, then [Kurukshetra CEE 1995]

A.                 \[{{v}^{2}}=\sigma \]             
B.                 \[v={{\sigma }^{2}}\]
C.                 \[v=\frac{1}{\sigma }\]         
D.                 \[v=\frac{1}{{{\sigma }^{2}}}\]
Answer» C.                 \[v=\frac{1}{\sigma }\]         


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