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    Question

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

    15, 40, 20, 35, 50
    A 25 Correct Answer Incorrect Answer
    B 30 Correct Answer Incorrect Answer
    C 35 Correct Answer Incorrect Answer
    D 40 Correct Answer Incorrect Answer

    Solution

    Ascending order of observations: 15, 20, 25, 30, 35, 40, 50
    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 30.

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