10th Class Mathematics Statistics Question Bank Statistics and Probability

  • question_answer
    The mean of n numbers\[{{x}_{1}},{{x}_{2}}....\,xn\]is M. 'If \[{{X}_{1}}\] is replaced by \[X',\] then the new mean is

    A)  \[M-{{X}_{1}}+X'\]         

    B)  \[\frac{(n-1)M+x'}{n}\]

    C)  \[\frac{nM-{{x}_{1}}+x'}{n}\]      

    D)         \[\frac{M-{{x}_{1}}+x'}{n}\]

    Correct Answer: C

    Solution :

    Not available


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