Suggest a least squares regression analysis of the data to fit a linear relationship between X and Y.
x 2.7 3 2.3 2.8 2.5 2.15 2.7 3.2 2.3 3.8 2.3 2.2
y 580 600 580 590 550 515 610 608 600 658 530 515
(a) Find the correlation coefficient (b) SSR (c) coefficient of determination.