4,0 10,0 5,5 7,0 9,0 10,0 8,5 9.0 4,0 6,0 7,0 4,5 5,5 9,0 5,0...

4,0 10,0
5,5
7,0
9,0
10,0
8,5
9.0
4,0
6,0
7,0
4,5
5,5
9,0
5,0
9,0
6,0
9,0
8,5
A tabela acima contém as médias de 19 alunos da turma do 3°Ano B, do Colégio Estadual Padre Luiz Soares Palmeira - Anexo.
A partir dos dados, calcule:
a) A média aritmética simples;
b) A moda;
c) A mediana.

pra hoje ajuda aii pfvr!!!