Use the given set of bivariate data.
(3, 6) (5, 8) (2, 6) (1, 5) (4, 7) (4, 6)
Calculate the covariance $S_{xy}$. (Round your answer to five decimal places.)
$S_{xy} = 3.33333$
Calculate the correlation coefficient $r$. (Round your answer to four decimal places.)
r =
Calculate the equation of the regression line. (Round your numeric values to three decimal places.)
y =
Plot the points and the line on a scatterplot.