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      Question

      The arithmetic mean of the following frequency

      distribution of number of accidents X on week working days is: X:                            2              4              6              8              10           12           Frequency:         3              4              2              1              4              2
      A 5.625 Correct Answer Incorrect Answer
      B 4.625 Correct Answer Incorrect Answer
      C 6.625 Correct Answer Incorrect Answer
      D 7.625 Correct Answer Incorrect Answer

      Solution

      The correct answer is C

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