The inspection data of the facility, which produces 800 piecesof aluminum foil per day, are...

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Economics

The inspection data of the facility, which produces 800 piecesof aluminum foil per day, are given in the table below. Warninglimits are used in the analysis of data. The data are ordered fromtop to bottom. The company wants to have a 96.5% solid product.According to ISO standards, the acceptance limit is equal to theprocess capability coefficient. For the initial analysis, mu=4.5856and sigma=0.1899. USL =5.7691 and ASL =3.4911 values are given. Ifnecessary, the same analysis data can be used if the second graphis drawn. a. Draw the first and second acceptance sampling graphs.( 25 points) b. What data should be eliminated? ( 25 points) c.What is the standard deviation of the second acceptance sampling? (25 points) d. According to these data, is the production process inthe facility a stable process? Interpret and decide according tothe results you find9. ( 25 points) Graph of initial acceptancesampling: Graph of the second acceptance sampling:

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