Question: If the lines of regression are $3x + 12y = 19$ and $3y + 9x = 46$ then $r_{xy}$will be...

Question

If the lines of regression are $3x + 12y = 19$ and $3y + 9x = 46$ then $r_{xy}$ will be

Answer 1

$r_{xy} = \sqrt{\left( \frac{- 3}{12} \right)\left( \frac{- 3}{9} \right)} = - 0.289$ .

Question: If the lines of regression are \(3x + 12y = 19\) and \(3y + 9x = 46\) then \(r_{xy}\)will be...