Could anyone please demonstrate the CORRELATION EQUATION = Covariance / (standard deviation X x standard deviation Y)?

I understand the covariance, but i don’t understand why we divide covariance with standard deviation X x standard deviation Y, we can get correlation.

1 Like

Thank you so much!

I wonder that REGRESSION and CORRELATION between 2 variables are the same ?

because the documents you give me is the regression nót CORRELATION.

From my opinion, Correlation represents 2 SIDE relationship, while regression represents 1 SIDE relationship.

They’re not.

That’s the article on correlation.

Here are some of the articles on regression:

I apologize: I do not understand what you mean by this.

1 Like

Thank you so much!