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Statistics Test...

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  • Question 1
    1 / -0

    The sum of the squares of deviations of a set of values is minimum when taken about:

  • Question 2
    1 / -0

    The mean of 5 observations is 4.4. If three observations are 1,2 and 6 and the difference of the other two is 5, then the other two observations are:

  • Question 3
    1 / -0

    If the angle between two lines of regression is 900 , then it represents

  • Question 4
    1 / -0

    Which of the following statements is/are correct?
    (i) Mode can be computed from histogram
    (ii) Median is not independent of change of scale
    (iii) Variance is independent of change of scale

  • Question 5
    1 / -0

    A batsman scores runs in 10 innings as 38,70,48,34,42,55,63,46,54 and 44 , then the mean score is

  • Question 6
    1 / -0

    The average marks of boys in a class are 52 and those of girls are 42. The average marks of boys and girls combined are 50. The percentage of boys in the class is

  • Question 7
    1 / -0

    For symmetric distribution, which of the following should be true?

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