Question

ATIVIDADES
1. Em uma atividade que valia 8 pontos, os 30 alunos de uma turma obtiveram as seguintes notas:
8,0
1,0
5,0
4,0
5,0
3,0
7,0
4,0
7,0
8,0
5,0
7,0
8,0
5,0
3,0
6,0
2,0
7,0
1,0
7,0
5,0
5,0
6,0
5,0
5,0
1,0
3,0
1,0
5,0
5,0
Qual é a média aritmética das notas da turma nessa atividade?​

Answer 1

Resposta:

A média é de 4,8.

Explicação passo-a-passo:

Como a soma das 30 notas é 144, vamos dividir 144/30 = 4,8