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Recent questions tagged correlation-coefficient

$x$ and $y$ are two correlated variables with the same standard deviation and the correlation coefficient $r$ , the correlation coefficient between $x$ and $x+y$ is

asked Jan 31, 2014 by thanvigandhi_1

1 answer

The correlation coefficient of two variables $x$ and $y$ is 0.8. The regression coefficient of $y$ on $x$ is 0.2 then the regression coefficient of $x$ and $y$ is

asked Jan 29, 2014 by thanvigandhi_1

1 answer

The correlation coefficient between $x$ and $y$ is from the following data is \[\] $ \Sigma x = 40\: \: \Sigma y=50\: \: \Sigma xy = 220\: \: \Sigma x^2=200\: \: \Sigma y^2 = 262\: \: n=10$

asked Jan 29, 2014 by thanvigandhi_1

1 answer

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