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    Question

    If the regression line of Y on X is Y =30 -0.9X and the

    standard deviations are Sx = 2 and Sy = 9, then the value of the correlatio n coefficient rxy is
    A ┬м0.3 Correct Answer Incorrect Answer
    B ┬м0.2 Correct Answer Incorrect Answer
    C 0.2 Correct Answer Incorrect Answer
    D 0.3 Correct Answer Incorrect Answer

    Solution

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