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7th Class Mathematics Data Handling Question Bank Data Handling

  • question_answer
    Direction: The heights of 10 students, measured in cm are as follows:
    143,132,150,139,128,135,151,146, 141, 149
    Based on this information, answer the following questions.
    What is the mean height of the students?

    A)  \[141.4\,\,cm\]                                 

    B)  \[141\,\,cm\]

    C)  \[142\,\,cm\]                   

    D)         \[151\,\,cm\]

    Correct Answer: A

    Solution :

       Mean height \[=\frac{\text{Sum of the heigths }}{\text{No}\text{. of students}}\] \[=\frac{1414}{10}=141.4\,cm\]


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