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    Question

    What is the mean of the following data given below:

    3,7,9,5,11,13,8,12,15,12,4
    A 11 Correct Answer Incorrect Answer
    B 9 Correct Answer Incorrect Answer
    C 12 Correct Answer Incorrect Answer
    D 10 Correct Answer Incorrect Answer

    Solution

    Mean = `(3 + 7 + 9 + 5 + 11 + 13 + 8 + 12 + 15 + 12 + 4)/11` = 99/11 = 9

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