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    Question

    If the difference between the rank of the 4

    observations are 2.5, 0.5, -1.5, -1.5, then Spearman's rank correlation coefficient equals to:
    A -0.1 Correct Answer Incorrect Answer
    B 0.1 Correct Answer Incorrect Answer
    C -0.2 Correct Answer Incorrect Answer
    D 0.2 Correct Answer Incorrect Answer

    Solution

    The correct answer is A

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