Răspuns:
[tex]\boldsymbol{ \red{ 0 \to 5 \to 5 \to 6 \to 6 \to 8 }}[/tex]
Explicație pas cu pas:
Cei 30 de elevi au obținut punctajele: 75, 64, 58, 81, 76, 93, 96, 58, 65, 73, 84, 82, 97, 51, 99, 100, 87, 100, 64, 86, 99, 53, 77, 62, 74, 55, 98, 60, 70, 88
Intervale de punctaj:
- < 50 = 0 (elevi)
- 50 - 59 = 5 (elevi) → 58, 58, 51, 53, 55
- 60 - 69 = 5 (elevi) → 64, 65, 64, 62, 60
- 70 - 79 = 6 (elevi) → 75, 76, 73, 77, 74, 70
- 80 - 89 = 6 (elevi) → 81, 84, 82, 87, 86, 88
- 90 - 100 = 8 (elevi) → 93, 96, 97, 99, 100, 100, 99, 98
