Multiple Choice Questions on If two regression lines between height x and weight y are 4y minus 15x 410 0 and 30x minus 2y minus ........... for NDA Exam Preparation

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Multiple Choice Questions

If two regression lines between height x and weight y are 4y minus 15x 410 0 and 30x minus 2y minus ...........

Mathematics (NDA) Relations and Functions
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    If two regression lines between height (x) and weight (y) are 4y−15x+410=0 and 30x−2y−825=0, then what will be the correlation coefficient between height and weight?

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    Explanation:

    \small r=\sqrt{\frac{15}{4}\times \frac{2}{30}}=\frac{1}{2}

    By: Munesh Kumari
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