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    Question

    28 If r ₁₂ = +0.80, r13 = -0.40 and r23 = -0.56,

    then the square of multiple correlation coefficient (correct to four decimal places) R21.23 is equal to:
    A 0.6434 Correct Answer Incorrect Answer
    B 0.7586 Correct Answer Incorrect Answer
    C -0.436 Correct Answer Incorrect Answer
    D 0.8021 Correct Answer Incorrect Answer

    Solution

    The correct answer is A

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