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Glossary Quality Control / Term

V-mask

A V-shaped mask you use with a CuSum Chart. When cumulative sums cross the "arms" of the V-mask, you consider the process to be out of control. You should apply the V-mask to each new observation after it is placed on a graph.

Permanent link V-mask - Modification date 2019-12-08 - Creation date 2019-12-06


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