Question

    The mean of a data set is 50 and the standard deviation

    is 10. What is the coefficient of variation?
    A 40% Correct Answer Incorrect Answer
    B 10% Correct Answer Incorrect Answer
    C 20% Correct Answer Incorrect Answer
    D 60% Correct Answer Incorrect Answer

    Solution

    coefficient variation = (standard deviation/ mean of distribution) ×100 = (10/50) ×100 =20%

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