Mathematics, 22.07.2019 05:00 deku6
What is the correlation coefficient with the following data point: (1,6), (3,2), (7,5), (6,2)
Answers: 1
![r=\frac{n \sum XY-(\sum(X)\sum(Y)}{\sqrt{[n\sum X^2-(\sum X)^2][n\sum Y^2-(\sum Y)^2]}}](/tpl/images/0118/3725/aeafa.png)
![r=\frac{4\times59-(17\times19)}{\sqrt{[4 \times 95-(17)^2][4\times69-(15)^2]}}=-0.2789](/tpl/images/0118/3725/17726.png)
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What is the correlation coefficient with the following data point: (1,6), (3,2), (7,5), (6,2)...
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