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Arithmetic Mean by Deviation Method

Define standa...

Question

Define standard deviation.

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Solution

Standard deviation is the square root of the mean of the square of deviations of items from the mean value.

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Q. Coefficient of variation can be defined as C.V = ___________.

Coefficient of variation can be defined as C.V = $\frac{σ}{x} \times 100$ , $¯ x$ $\neq$ 0, $σ$ = standard deviation and $¯ x$ = mean

Coefficient of variation can be defined as C.V = $\frac{σ}{x} \times 100$ , $¯ x$ $\neq$ 0, $σ$ = standard deviation and $¯ x$ = mean

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