Multiple Choice Questions on If the regression coefficient of x and y and y on x are minus 1 2 and minus 1 8 respectively then wh........... for NDA Exam Preparation

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Multiple Choice Questions

If the regression coefficient of x and y and y on x are minus 1 2 and minus 1 8 respectively then wh...........

Mathematics (NDA) Statistics
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    If the regression coefficient of x and y and y on x are −1/2 and −1/8 respectively, then what is the correlation coefficient between x and y?

    -1/4

    Correct Answer

    -1/16

    Incorrect Answer

    1/16

    Incorrect Answer

    1/4

    Incorrect Answer
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    Explanation:

    \small Result=\sqrt{\left ( \frac{1}{2}\right )\times\left ( -\frac{1}{8} \right )}=-\frac{1}{4}
    Hence option1 is correct.

    By: Munesh Kumari
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