Statistics And Probability Question 317
Question: If v is the variance and s is the standard deviation, then
[Kurukshetra CEE 1995]
Options:
A) $ v^{2}=\sigma $
B) $ v={{\sigma }^{2}} $
C) $ v=\frac{1}{\sigma } $
D) $ v=\frac{1}{{{\sigma }^{2}}} $
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Answer:
Correct Answer: B
Solution:
It is obvious.