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    Question

    When two regression coefficients bear same algebraic

    signs, then correlation coefficient is:
    A Positive Correct Answer Incorrect Answer
    B Negative Correct Answer Incorrect Answer
    C According to two signs Correct Answer Incorrect Answer
    D Zero Correct Answer Incorrect Answer
    E Insufficient information Correct Answer Incorrect Answer

    Solution

    When two regression coefficients bear same algebraic signs, then correlation coefficient is according to two signs.

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