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    Question

    If the first quartile of data set 8,10,8,7,9 is 7.5,

    then the value of quartile deviation is
    A 1.0 Correct Answer Incorrect Answer
    B 7.5 Correct Answer Incorrect Answer
    C 2.5 Correct Answer Incorrect Answer
    D 9.5 Correct Answer Incorrect Answer

    Solution

    The correct answer is A

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