Question: a very mature production process exhibiting consistent performance over the past 1 0 years has led its production team to believe that the actual mean
a very mature production process exhibiting consistent performance over the past years has led its production team to believe that the actual mean and standard deviation of the quality characteristic of interest for the process is and respectively. A sample of units is taken every hour on the hour during tevery prodtion shift. What is the lower control limit for an xbar chard for this process?
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