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Statistics Test - 37
Result
Statistics Test - 37

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  • Question 1/10
    4 / -1

    Solutions

  • Question 2/10
    4 / -1

    Solutions

  • Question 3/10
    4 / -1
    The variance of α, β and γ is 9, then variance of 5α, 5β and 5γ is
    Solutions

  • Question 4/10
    4 / -1
    A batsman scores runs in 10 innings 38, 70, 48, 34, 42, 55, 63, 46, 54, 44, then the mean deviation is
    Solutions

  • Question 5/10
    4 / -1

    Solutions

  • Question 6/10
    4 / -1

    Solutions

  • Question 7/10
    4 / -1
    The quartile deviation of daily wages (in Rs.) of 7 persons given below 12, 7, 15, 10, 17, 19, 25 is
    Solutions

  • Question 8/10
    4 / -1
    Karl-Pearson\'s coefficient of skewness of a distribution is 0.32. Its S.D. is 6.5 and mean 39.6. Then the median of the distribution is given by
    Solutions

  • Question 9/10
    4 / -1

    Solutions

  • Question 10/10
    4 / -1
    For two data sets, each of size 5, the variances are given to be 4 and 5 and the corresponding means are given to be 2 and 4, respectively. The variance of the combined data set is
    Solutions

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