Consider the X control chart in Fig. 15-3. Suppose that the mean shifts to 74.010 millimeters. (a)

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Consider the X control chart in Fig. 15-3. Suppose that the mean shifts to 74.010 millimeters.

(a) What is the probability that this shift is detected on the next sample?

(b) What is the ARL after the shift?


Fig. 15-13

15 10 5 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 LSL USL Nominal dimension Vane

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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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