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Problemario de Control Estadístico de Procesos $7.49   Add to cart

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Problemario de Control Estadístico de Procesos

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Es un documento que contiene problemas en base al control de calidad en los procesos en la industria alimentaria.

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  • July 20, 2021
  • 13
  • 2020/2021
  • Class notes
  • Martha rios
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Materia:

Control Estadístico de Procesos
Tema:

Gráficas estadísticas para la mejora de procesos
Trabajo:

“Problemario de las gráficas estadísticas para la
mejora de procesos”
Docente:



Estudiante:



Grupo:



Turno:

Vespertino
Carrera:

Ing. En Industrias Alimentarias

, 1. En una empacadora de agua embotellada se inspecciona constantemente la
colocación de la etiqueta, el operador que hace la inspección acepta o
rechaza cada botella que revisa y anota los rechazos al final de cada hora de
su turno; la hoja de control con el resumen de captura se presenta a
continuación. Elabore la gráfica p (fracción [%] de unidades defectuosas) por
hora, determine los límites de control superior e inferior y analice lo siguiente:
¿Es factible lograr una especificación de no más de una etiqueta
defectuosa por cada 100 botellas?

Hora Producción Defectos Porcentaje
7:00 12500 90 0.72
8:00 12650 133 1.05
9:00 11900 87 0.73
10:00 11950 95 0.79
11:00 12100 140 1.16
12:00 12300 138 1.12
13:00 12350 125 1.01
14:00 12050 114 0.95
0.94125

El diagrama a utilizar para este problema es la gráfica por fracción [%] de
unidades defectuosas P, para graficar el % de defectos por unidades defectuosas.
Formulas a utilizar:
̅ = promedio del porcentaje de defectuosos
P

̅
P(1 − ̅
P)
̅ + 3√
LCS = P
n

̅
P(1 − ̅
P)
̅ − 3√
LCI = P
n

Desarrollo:

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