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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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