Observe as notas de Métodos Quantitativos de 20 alunos.
8,0 6,0 7,0 4,0 9,0 7,0 9,0 8,0 7,0 5,0
4,0 3,0 6,0 9,0 8,0 9,0 7,0 6,0 8,0 7,0
Elabore uma tabela de distribuição de frequência com frequência absoluta,
frequência relativa e frequência acumulada. Com base na tabela, marque a
alternativa correta. A nota mínima para aprovação é 5,0.
Respostas
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Nota fa fx fac
3,0 1 5% 1
4,0 2 10% 3
5,0 1 5% 4
6,0 3 15% 7
7,0 5 25% 12
8,0 4 20% 16
9,0 4 20% 20
PORCENTAGEM DE ALUNOS QUE OBTIVERAM NOTA MAIOR OU IGUAL A 5,0: 5 + 15 + 25 + 20 + 20 = 85%
3,0 1 5% 1
4,0 2 10% 3
5,0 1 5% 4
6,0 3 15% 7
7,0 5 25% 12
8,0 4 20% 16
9,0 4 20% 20
PORCENTAGEM DE ALUNOS QUE OBTIVERAM NOTA MAIOR OU IGUAL A 5,0: 5 + 15 + 25 + 20 + 20 = 85%
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