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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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