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Tempo de espera (min) em 8 atendimentos: 5, 7, 6, 8, 4, 5, 6, 7 . Calcule o desvio padrão amostral
Tempo de espera (min) em 8 atendimentos: 5, 7, 6, 8, 4, 5, 6, 7 . Calcule o desvio padrão amostral
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