X 420 610 625 500 400 550 650 480 565
Y 2.80 3.60 3.75 3.00 2.50 2.70 3.50 3.90 2.0 2.95 3.30
Calculate te covarience anf the correlatio coeficient.
Comment on the relationship between x and y
Determine the least squres line.
Draw the scatter diagram and plot the least squres line