Question: A process sampled 2 0 ? times with a sample of size 8 resulted in ? b a r ( x ) = 2 2

A process sampled 20? times with a sample of size 8 resulted in ?bar(x)=22.5 and ?bar(R)=1.2. Compute the upper and lower control limits for the x chart for this process. (Round your answers to two decimal places.)
UCL =
LCL=
Compute the upper and lower control limits for the R chart for this process. (Round your answers to two decimal places.)
UCL =
LCL=
A process sampled 20? times with a sample of size 8

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