Download - Intro spc 1
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Controlo Estatístico
do Processo Carlos Pereira da Cruz
Maio 2010
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Grécia Trichet Eleições inglesas …
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O que fazem com estes dados?
xxxxxxxxxxxxxxx
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O que é que eles dizem?
xxxxxxxxxxxxxxx
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Evolução da perda ao rubro
O que é que eles dizem?
xxxxxxxxxxxxxxx
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Evolução da perda ao rubro
Posso fazer isto?
xxxxxxxxxxxxxxx
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Estranho!!!
Evolução da perda ao rubro
Grupo 2
xxxxxxxxxxxxxxx
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Estranho!!!
Evolução da perda ao rubro
Estranho mesmo???
Grupo 2
xxxxxxxxxxxxxxx
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Aconteceu alguma coisa?
Vale a pena investigar?
Aleatório ou mudança?
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Quando investigar?
Pedro e o lobo!
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Quando é que a variação é sinal de mudança?
Quando é que a variação é aleatória?
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Como distinguir variação-sinal de variação-ruído?
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O controlo estatístico do processo (SPC)
ajuda a responder
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Nós vemos o palco!
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Só os Deuses sabem o que se passa atrás
das cortinas!