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Engineering, 11.07.2019 01:30 cshepp81

In 25 samples of size n = 7, the average value of the sample means is x=2.812 cm for the dimension of interest, and the mean of the ranges of the samples is r=0.023 cm. determine the lower and upper control limits for the (a) r chait and (b) r chart.

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In 25 samples of size n = 7, the average value of the sample means is x=2.812 cm for the dimension o...
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