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      Question

      Find the median of the following observations: 25, 30,

      35, 45, 40, 55, 50
      A 30 Correct Answer Incorrect Answer
      B 35 Correct Answer Incorrect Answer
      C 45 Correct Answer Incorrect Answer
      D 40 Correct Answer Incorrect Answer

      Solution

      Ascending order of observations: 25, 30, 35, 40, 45, 50, 55
      Number of observations = 7 (odd number).
      Median formula for odd observations:
      Median = [(n + 1) ├╖ 2]th term
      For n = 7, the 4th term is 40.

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