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    Question

    The grouped data for the observation are as

    follows. Class :                   2-4         4-6          6-8 Frequency:          2              1              2              The population skewness:
    A is negative Correct Answer Incorrect Answer
    B is zero Correct Answer Incorrect Answer
    C Data is insufficient Correct Answer Incorrect Answer
    D is positive Correct Answer Incorrect Answer

    Solution

    The correct answer is B

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