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    Question

    Find the median of the following observations: 21, 28,

    33, 19, 25, 30, 27
    A 28 Correct Answer Incorrect Answer
    B 27 Correct Answer Incorrect Answer
    C 25 Correct Answer Incorrect Answer
    D 21 Correct Answer Incorrect Answer

    Solution

    Ascending order of observations: 19, 21, 25, 27, 28, 30, 33
    Number of observations = 7 (odd number).
    Median formula for odd observations:
    Median = [(n + 1) Ă· 2]th term
    For n = 7, the 4th term is 27.

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