Question: An study is being carried out to determine the relationship between smoking and lung cancer. The following data shows the number of smokers of a brand of cigarettes called CIG1930 (x) and the number of mortalities (y) which occurred over a period of observation.

(a) Obtain the quantities S_xx, S_xy, and S_yy

(b) Obtain the least squares equation of the linear relationship between X and Y

(c) Obtain the correlation coefficient for X and Y

(d) Obtain the SSE

(e) Obtain the coefficient of determination for the fitted linear relationship.