July 2023 1 5 Report
Calculo: Duración en horas Marca de clase (x) Nº de fluorescentes (f) x.f Frec. Acumulada (fac) 300-400 100 400-500 180 500-600 250 600-700 300 700-800 120 800-900 30 900-1000 20 Totales 1.000 ​

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