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JEE Main & Advanced Sample Paper JEE Main Sample Paper-22

  • question_answer
    The scores of a batsman in 10 innings are 38, 70, 48, 34, 42, 55, 63,46, 54, 44. The mean deviation about median is

    A)  8.6                              

    B)  7.6

    C)  8.2                              

    D)  8.4

    Correct Answer: A

    Solution :

    Median \[=\frac{46+48}{2}=47\] So, \[\sum\limits_{{}}^{{}}{|{{x}_{i}}-47|\,=86}\] \[\therefore \] Mean deviation \[\frac{\sum\limits_{{}}^{{}}{|{{x}_{i}}-47|}}{10}=8.6\]


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