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10th Class Mathematics Statistics Question Bank Statistics

  • question_answer
    The mean of all factors of 36 is

    A)  6.0                              

    B)  10.1    

    C)  12                               

    D)  9.875

    Correct Answer: B

    Solution :

    (b): Factors are I, 2, 3, 4, 6, 9, 12, 18, 36 Mean \[=\frac{1+2+3+4+6+9+12+18+36}{9}\]\[=\frac{91}{9}=10.1\] \[\frac{3+10+10+4+7+10+5}{7}=7\]      


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