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    Question

    What is the mean of the following numbers: 9,

    15, 18, 12, 14, 20, 22, 16
    A 12.55 Correct Answer Incorrect Answer
    B 30 Correct Answer Incorrect Answer
    C 13 Correct Answer Incorrect Answer
    D 15.75 Correct Answer Incorrect Answer

    Solution

    ATQ, Mean = (9 + 15 + 18 + 12 + 14 + 20 + 22 + 16) ÷ 8 = 126 ÷ 8 = 15.75

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