Find the least squares regression line for the data points. (Let x be the independent variable and y be the dependent variable.) (-1, 3), (1, 0), (3, -1) Graph the points and the line on the same set of axes. y 3H -3 -2 21 -1 -2 2 x 3 -3 -2 -3 -2 -1 -3 -2 -1 -18 -2 2