10th Class Mathematics Statistics Question Bank Statistics and Probability

  • question_answer
    The arithmetic mean of n numbers is x. If the sum of the first (n -1) numbers is k, then the nth number is

    A)  \[n\overline{x}+k\]       

    B)         \[n\overline{x}-k\]  

    C)  \[X-\frac{k}{n}\]             

    D)         \[\overline{x}+\frac{k}{n}\]

    Correct Answer: B

    Solution :

    Not available


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