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Measures of Dis...

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  • Question 1
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    Given $$\sum (x-\bar{x})^2=48, \bar{x}=20$$ and $$n=12$$. The coefficient of variation is.

  • Question 2
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    The sum of the squares of deviations of 10 items about mean 50 is 250 .The coefficient of variation is 

  • Question 3
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    The probability distribution of a random variable $$X$$ is given below:

    $$X=x$$0123
    $$P(X=x)$$$$\frac{1}{10}$$$$\frac{2}{10}$$$$\frac{3}{10}$$$$\frac{4}{10}$$
    Then the variance of $$X$$ is

  • Question 4
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    Which of the following are limitations of range?

  • Question 5
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    Which one of the following is not a measure of dispersion?

  • Question 6
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    The formula of students t-distribution is_____________.

  • Question 7
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    While constructing Lorenz Curve we take into account _________.

  • Question 8
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    Which of the following is true?

  • Question 9
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    Coefficient of Quartile Deviation =

  • Question 10
    1 / -0

    Lorenz curve is based on which of the following? 

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