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    Class 0-10 10-20 20-30 30-40 40-50 50-60 Frequency  3 9 15 30 18 5The median class of the above frequency distribution
    Question

    Class

    0-10
    10-20
    20-30
    30-40
    40-50
    50-60
    Frequency 
    3
    9
    15
    30
    18
    5

    The median class of the above frequency distribution

    A.

    20-30

    B.

    30-40

    C.

    40-50

    D.

    50-60

    Correct option is B


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