Consider the hardness measurement data in Exercise 15-19. Set up a CUSUM scheme for this process using

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Consider the hardness measurement data in Exercise 15-19. Set up a CUSUM scheme for this process using Î¼ = 50 and Ïƒ = 2 so that K = 1 and H = 10. Is the process in control?

Exercise 15-19

Twenty successive hardness measurements are made on a metal alloy, and the data are shown in the following table.

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Applied Statistics And Probability For Engineers

ISBN: 9781118539712

6th Edition

Authors: Douglas C. Montgomery, George C. Runger

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Question Posted: Jul 07, 2018 01:56 PM

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Consider the hardness measurement data in Exercise 15-19. Set up a CUSUM scheme for this process using

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Hardness Observation 11 12 Observation Hardness 51 51 57 52 3 4 58 50 54 55 55 13 14 15 53

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The process is not in control K k 1 ...View the full answer

Applied Statistics And Probability For Engineers

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