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    Question

    Find the median of the following observations: 16, 12,

    18, 22, 20, 19, 17
    A 17 Correct Answer Incorrect Answer
    B 19 Correct Answer Incorrect Answer
    C 18 Correct Answer Incorrect Answer
    D 20 Correct Answer Incorrect Answer

    Solution

    Ascending order of observations: 12, 16, 17, 18, 19, 20, 22
    Number of observations = 7 (odd number).
    Median formula for odd observations:
    Median = [(n + 1) ├╖ 2]th term
    For n = 7, the 4th term is 18.

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