15-17 For Problem 15-16, develop upper and lower control limits for the range. Do these samples indicate that the process is in control? Sample    1         2          3         4         5           6          7         8          9       10 Mean    979    1,087    1,080    934    1,072    1,007    952    986    1,063    95

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Statistical Process Control

The use of statistical methods to observe and manage a process to make sure that it operates at its full potential and thus produce a confirming product is called Statistical Process Control.