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10th Class Mathematics Statistics Question Bank Statistics

  • question_answer
    The mean age of a combined group of men and women is 25 years. If the mean age of the group of men is 26 years and that of the group of women is 21 years, find the percentage of men and women respectively in the group.

    A) 70, 30                   

    B)        30, 70

    C) 80, 20                   

    D)        60, 40

    Correct Answer: C

    Solution :

    Not Available


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