The following table shows the methyl mercury intake and whole blood mercury values in 12 subjects exposed to methyl mercury through consumption of contaminated fish:

X Y Methyl Mercury in Mercury Intake Whole Blood

( g Hg/day) (ng/g)

180 90 200 120 230 125 410 290 X Y Methyl Mercury in Mercury Intake Whole Blood ( g Hg/day) (ng/g)
600 310 550 290 275 170 580 375 105 70 250 105 460 205 650 480 Find the regression equation describing the linear relationship between the two variables, compute and test by both the F and t tests.