Suppose that three of the parts produced by the process in Exercise 8.39 are assembled into a
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Suppose that three of the parts produced by the process in Exercise 8.39 are assembled into a product that has upper and lower specifications at 624 and 630 units, respectively. What is the ppm defective of the assemblies? What actions would you recommend to improve the performance of the assembled product?
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PPM is arrived at by simply taking the number of defective units in a same size dividing that number by the total sample size and multiplying by 1 mil...View the full answer
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Related Book For
Introduction to Statistical Quality Control
ISBN: 978-1119592785
8th edition
Authors: Douglas C. Montgomery
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