JEE Main & Advanced Mathematics Statistics Question Bank Measures of dispersion

  • question_answer
    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)                 \[v=\frac{1}{{{\sigma }^{2}}}\]

    Correct Answer: B

    Solution :

                    It is obvious.


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