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      Question

      The mean of 15 observations is 124 and the median of the

      observations is 130. Find the mode of the observations.
      A 128 Correct Answer Incorrect Answer
      B 142 Correct Answer Incorrect Answer
      C 140 Correct Answer Incorrect Answer
      D 136 Correct Answer Incorrect Answer

      Solution

      Mean of 15 observations = 124
      Median of 15 observations = 130
      Since,
      Mode = 3*median - 2*mean
      = 3*130 - 2*124 = 390 โ€“ 248 = 142

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