Download - Carlos yanez /Control de Calidad
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REPÚBLICA BOLIVARIANA DE VENEZUELAINSTITUTO UNIVERSITARIO POLITÉCNICO
“SANTIAGO MARIÑO”EXTENSIÓN: PUERTO ORDAZ
PROF. JOSE MARQUEZ ALUMNO:CARLOS YANEZ
Puerto Ordaz, Enero 2015
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CALCULO DE LA GRAFICA NP
NP= 27/10 = 2,7LCS NP= 2,7 + 3 √ 2.7 *(1 + 2,7 /(1000)LCSNP= 7,62
LCI NP= 2,7 + 3 √ 2.7 *(1 – 2,7 /(1000)LCI NP = 0,29
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GRAFICO DE CONTROL np
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MEDIA
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CALCULO DE LA GRAFICA C
C =57 /10 = 5,7LCSC= 5,7 +3 √ 5,7 =12.9LCIS= 5,7 - 3 √ 5,7 = 1,4
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GRAFICO DE CONTROL C
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media c