X and R charts are maintained on a single quality dimension. A sudden shift in the process

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X and R charts are maintained on a single quality dimension. A sudden shift in the process occurs, causing the process mean to increase by 2, where  is the true process standard deviation. No shift in the process variation occurs. Assuming that the X chart is based on 3 limits and subgroups of size n  6,what proportion of the points on the X

chart would you expect to fall outside the limits after the shift occurs?

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Production And Operations Analysis

ISBN: 9781478623069

7th Edition

Authors: Steven Nahmias, Tava Lennon Olsen

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