Results: group 1: good level 72.5%, fair level 25%, average level 2.5%; group 2: good level 52.5%, fair level 37.5%, average level 10.0%.
Kết quả: Nhóm 1: tốt 72,5%, khá 25%, trung bình 2,5%; nhóm 2: tốt 52,5%, khá 37,5%, trung bình 10,0%.