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10th Class Mathematics Statistics Question Bank Statistics

  • question_answer
    Direction: These are question are based on the following data:
    Height (in cm) Number of students
    160 12
    165 4
    170 6
    175 8
    180 10
    The inter-quartile range of the above frequency distribution is_________.

    A)  12                               

    B)  15

    C)  7.5                              

    D)  10

    Correct Answer: B

    Solution :

    (b): Find the less than cumulative frequency, then find inter-quartile range by using formulae.


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