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      Question

      The arithmetic mean of the following frequency

      distribution of number of members in family in the society                 X:            3              5              6              8              9              10 Frequency:         1              4              2              1              3              2 is
      A 6.923 Correct Answer Incorrect Answer
      B 7.923 Correct Answer Incorrect Answer
      C 5.923 Correct Answer Incorrect Answer
      D 4.923 Correct Answer Incorrect Answer

      Solution

      The correct answer is A

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