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9th Class Mathematics Statistics Question Bank Statistics

  • question_answer
    Find the arithmetic mean of 30,36,39,23 and 27.

    A)  28                              

    B)  20                  

    C)  31                  

    D)    35

    Correct Answer: C

    Solution :

    \[\text{Mean}=\frac{30+36+39+23+27}{5}=31\]


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