Creation of Graphs
Once the averages and limits are calculated, all of the individuals data are plotted serially, in the order in which they were recorded. To this plot is added a line at the average value, x and lines at the UCL and LCL values.
On a separate graph, the calculated ranges MRi are plotted. A line is added for the average value, MR and second line is plotted for the range upper control limit (UCLr).
Read more about this topic: Shewhart Individuals Control Chart, Calculation and Plotting
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