October 2018 1 19 Report
Determinar el valor de "a" del siguiente cuadro de datos, que representa los pesos en gramos de 50 latas de conservas, si: b – a = 5
Pesos fi (# lata)
[50 – 100〉 a
[100 – 150〉 b
[150 – 200〉 15
[200 – 250〉 12
[200 – 250〉 12

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