Consider the Four Points a = (1, 0), B =

Essay

Consider the four points A = (1, 0), B = (2, 2), C = (3, 5)and D = (4, 3)in the xy-plane.
Find a and b in the line of best fit y = ax + b for these points.
(The line of best fit minimizes the sum of the squares of the vertical distances from each point to the line.)