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10th Class Mathematics Statistics Question Bank Statistics

  • question_answer
    In the formula \[\overline{x}=a+\frac{\sum{{{f}_{i}}{{d}_{1}}}}{\sum{{{f}_{i}}}}\], for finding the mean of grouped data, \[{{d}_{i}}'s\] are deviation from a of

    A)  Lower limits of the classes          

    B)  Upper limits of the classes

    C)  Mid-points of the classes        

    D)  Frequencies of the class marks

    Correct Answer: C

    Solution :

    (c): Not Available  


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