In 1985, Kent Hrbek of the Minnesota Twins and Dion James of the Milwaukee Brewers had the following numbers of hits (H) and official at bats (AB) on grass and artificial turf: Hrbek James
Playing Surface AB H BA AB H BA
Grass 204 50 329 93
Artificial Turf 355 124 58 21
Total 559 174 387 114
a) Find the batting average BA (namely, H/AB) of each
player on grass.
(b) Find the BA of each player on artificial turf.
(c) Find the season batting averages for the two players.
(d) Interpret your results