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    Question

    Find the median of the following observations: 72, 81,

    63, 55, 94, 80, 77
    A 72 Correct Answer Incorrect Answer
    B 77 Correct Answer Incorrect Answer
    C 80 Correct Answer Incorrect Answer
    D 81 Correct Answer Incorrect Answer

    Solution

    Ascending order of observations: 55, 63, 72, 77, 80, 81, 94
    Number of observations = 7 (odd number).
    Median formula for odd observations:
    Median = [(n + 1) ÷ 2]th term
    For n = 7, the 4th term is 77.

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