Calculate upper and lower control limits for mean and range charts.
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day
mean (mm) (nominal) -sigma?
d.) -sigma?
e.) . .
a.) .
range a and are as at auto be been center chung's controlled. critical day, diameter each factor follows: forging from have if in is lclr lclx̄ lclx̄? line, mean mm must new of pistons plant process, produced r r?
c.) range sample shanghai should sizes that the this true uclr uclx̄ using value want wemming what x̄ x̿?
b.) you your