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9th Class Mathematics Statistics Question Bank Statistics

  • question_answer
    What is a graph drawn with the midpoints of the top sides of the rectangles forming the histogram of a frequency distribution called?

    A)  Bar graph                  

    B)  Ogive 

    C)    Frequency polygon    

    D)  Frequency curve

    Correct Answer: C

    Solution :

    The mid-point of the top sides of rectangles represent the mid values of classes for which the histogram is drawn. So, the required graph is a frequency polygon.


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