10th Class Mathematics Statistics Question Bank Statistics

  • question_answer
    The A.M. of 'n' observations is M. If the sum of (n-4) observations is 'a', what is the mean of remaining 4 observations?

    A) \[nM+a\]            

    B)        \[\frac{nM-a}{2}\]

    C) \[\frac{nM+a}{2}\]         

    D)        \[\frac{nM-a}{4}\]

    Correct Answer: D

    Solution :

    Not Available


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