This macro creates a standardized control chart for the fraction of nonconforming units (or defectives).
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Suppose C1 contains the number of defects (or defectives) and C2 is the total number of items that were tested. To run the macro, chooseand type:
%STANDARD C1 C2
Click Submit Commands.
D.C. Montgomery (2001). Introduction to Statistical Quality Control, 4th edition, John Wiley & Sons.