Question: b) with z=3, the control limits for the mean chart are: UCL-x= LCL-x= c) thr control limits for the R-charts are: UCLr= LCLr= need a,b,&

b) with z=3, the control limits for the mean chart are:
UCL-x=
LCL-x=
c) thr control limits for the R-charts are:
UCLr=
LCLr=
need a,b,& c answers  b) with z=3, the control limits for the mean chart are:

A process that is considered to be in control measures an ingredient in ounces. Below are the last 10 samples (each o size n=5 ) taken. The population process standard deviation is 1.20. a) Standard deviation of the sampling means = ounces (round your response to three decimal places)

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