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 Intake

ð Þ mg Hg=day Mercury in whole blood

(ng/g)

180 90 200 120 230 125 410 290 Y

PBV (ml/sqM)

X PBF (L/min/sqM)

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 r 2 , and test H0 : b1 ¼ 0 by both the F and t tests.