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ejercicio Analisis de varianza para arsenico en carbon Diseno de Metodos Analiticos.
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ejercicio Analisis de varianza para arsenico en carbon Diseno de Metodos Analiticos.
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3. En un experimento de colaboración entre laboratorios para la determinación de arsénico en carbón, se enviaron muestrdiferentes a tres laboratorios. Cada laboratorio realizó un análisis por duplicado de cada muestra obteniéndose los resulta
continuación
muestra Laboratorio
1 2 3 a. Comprobar que no existe interacción significativa la
5.1 5.3 5.3
A
5.1 5.4 5.1 b. Contrastar las diferencias significativas entre labora
5.8 5.4 5.2
B
5.4 5.9 5.5
6.5 6.6 6.5
C
6.1 6.7 6.4
Plantamiento de hipótesis
Laboratorio
Ho= El laboratorio no afecta signifcativamente al determinamiento del arsénico en carbón (P>0.05)
Ha = El laboratorio afecta signifcativamente al determinamiento del arsénico en carbón (P<0.05)
Muestra
Ha= La muestra no afecta signifcativamente al determinamiento del arsénico en carbón (P>0.05)
Ho= La muestra afecta signifcativamente al determinamiento del arsénico en carbón (P<0.05)
Interacción Laboratorio-Muestra
Ha= Las interacciones entre el laboratorio y la muestra no afectan signifcativamente al determinamiento del arsénico en c
Ho=Las interacciones entre el laboratorio y la muestra afectan signifcativamente al determinamiento del arsénico en carb
,
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