The table below shows the IQ of ten students and the number of hours of TV each watches per week.

(a) Use a calculator or computer to find the least squares regression line, $y = mx + b$, where the dependent variable $y$ denotes the number of hours of TV watched as a function of IQ, $x$. Enter the equation for the line below.
$y =$

(b) What is the correlation coefficient of the regression line?
$r =$
(Enter $r$ accurate to at least four decimal places.)