The two lines of regression are $x+2y-5=0$ and $x+3y-8=0$. The coefficient of correlation between $x$ and $y$ is

Question

$\begin {array} {1 1} (A)\;-0.82 & \quad (B)\;0.82 \\ (C)\;-0.72 & \quad (D)\;0.76 \end {array}$