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Covariance and Correlation Calculation by Hoang Pham is a document available to read on EtoBox.
What is Covariance and Correlation Calculation about?
The document provides steps to determine the value of c, covariance, and correlation for a given joint probability mass function fxy(x,y)=c(x+y) where x and y range from 1 to 3. It is determined that c=1/36. The marginal distributions of X and Y are calculated as px(x)=(x+2)/12 and py(y)=(y+2)/12. The expected values of X and Y are both 13/6. Finally, the covariance is calculated as E(XY)-E(X)E(Y).
- Author
- Hoang Pham
- Language
- EN