cati elevi au obtinut cel putin nota 9?
7+5=12elevi
cati elevi au obtinut cel mult nota 6?
1+3+2=6elevi
cel mai multi elevi au obtinut nota 8.
Media clasei la acest teste a fost 7,90
(4+5×3+6×2+7×3+8×9+9×7+10×5):30
(4+15+12+21+72+63+50):30
237:30=7,90
