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Se ha aplicado un test a los empleados de una fabrica, obteniendose la siguiente tabla: fi Puntuaciones (x) 38, 44 7 44, 50 8 50,

Se ha aplicado un test a los empleados de una fabrica, obteniendose la siguiente tabla:

Puntuaciones (x) 38, 44 7 44, 50 8 50, 56 15 56, 62 25 62, 68 18 68, 74 9 74, 80 6

a) Determine la frecuencia relativa

b) Determine la frecuencia acumulada

c) Dibujar el histograma y

d) El poligono de

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