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For any frequecy distribution...

For any frequecy distribution

A

`b_2gtb_1`

B

`b_2gtb_1`

C

`b_2=b_1`

D

`b_2geb_1`.

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Knowledge Check

  • For a frequency distribution mean deviation from mean is computed by -

    A
    `M.D.=(Sigmaf)/(Sigmaf|d|)`
    B
    `M.D.=(Sigmad)/(Sigmaf)`
    C
    `M.D.=(Sigmafd)/(Sigmaf)`
    D
    `M.D.=(Sigmaf|d|)/(Sigmaf)`

  • For a frequency distribution, standard deviation is computed by applying the formula

    A
    `sigma=sqrt((Sigmafd^2)/(Sigmaf)-((Sigmafd)/(Sigmaf))^2`
    B
    `sigma=sqrt(((Sigmafd)/(Sigmaf))^2-(Sigmafd^2)/(Sigmaf))`
    C
    `sigma=sqrt((Sigmafd^2)/(Sigmaf)-(Sigmafd)/(Sigmaf))`
    D
    `sigma=sqrt(((Sigmafd)/(Sigmaf))^2-(Sigmafd^2)/(Sigmaf))`

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