The standard deviation of data given by
\( \begin{array}{lllllll}\text { Variate }(x) & 0 & 1 & ....
The standard deviation of data given by
\( \begin{array}{lllllll}\text { Variate }(x) & 0 & 1 & 2 & 3 & \ldots & n\end{array} \)
Frequency \( (f) \quad{ }^{n} C_{0} \quad{ }^{n} C_{1} \quad{ }^{n} C_{2} \quad{ }^{n} C_{3} \quad \ldots \quad{ }^{n} C_{n} \)
\( \mathrm{P} \)
(1) \( \sqrt{(n+1) / 2} \)
(2) \( \sqrt{n / 2} \)
(3) \( 2^{n} / n \)
(4) None of these
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