To determine process capability it is important that the process is in statistical
control. It is meaningless to characterize a process that is unpredictable.
The worksheet is open and shows the data we used in the process control
The data is filtered to only the phase when the process was-in control
The 6-up capability analysis shows the process control charts, a histogram of the
distribution, a box-plot summary of the distribution, a mean +/- 3 sigma plot, and
normal probability plot. Upper and lower specification limits show the
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