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process sampled 20 times with a sample of size 8 resulted in 3 - 25.5 and - 16 Comouce the upper and lower control limits for
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F = 25.5 Upper and lower control limits given that, I 95 sample size in=8 and R = 16 we have to compute the for the chart. weque we have control limits for - chart CL = UCL = i + BP den LLL= F - 3 dzin where, da Az- 3 a constant depend on value of a

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