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7th Class Mathematics Data Handling Question Bank Data Handling

  • question_answer
    Direction: The ages (in years) of some teachers of a school are given in the box.
    26, 32,38, 41,26, 31, 35,33,26,37
    Based on this information, answer the following questions.
    What is the mean age of the teachers?

    A)   \[23.5\]years   

    B)        \[32.5\]years           

    C)  35 years             

    D)         38 years

    Correct Answer: B

    Solution :

       Mean \[=\frac{\text{sum of observation}}{\text{number of observations}}\] \[=\frac{325}{10}=32.5\] years.


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