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## Homework Statement

given the regression of y on x is 2y-3x=10 and the regression of x on y is 4x-3y=8 find the correlation r between x and y, also find the mean of x and the mean of y.

## Homework Equations

## The Attempt at a Solution

I am absolutley clueless on this problem, there is nothing in the book on how to do it, and every other time I have had to find the correlation I had some data set to work with. I am very confused.