Director recruitment of eco-board wood industry

Average grade B =85+74+453=68,

C's average grade =72+50+883=70,

∴C has the highest average level,

According to the average score of the three tests, C will be hired;

(2) The test score ∵ A =3×67+2×70+5×673+2+5=67.6,

The test score of B =3×85+2×74+5×453+2+5 =62.8,

The test score of C =3×72+2×50+5×883+2+5 =75.6,

∴C has the highest test score,

∴ If the scores of written test, interview and employee evaluation are determined according to the ratio of 3: 2: 5, C will be employed at this time.