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Published in:
2019 | OriginalPaper | Chapter
2. Quality Control and Six Sigma
Author : Theodore T. Allen
Published in: Introduction to Engineering Statistics and Lean Six Sigma
Publisher: Springer London
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Abstract
The phrase “statistical quality control” (SQC) refers to the application of statistical methods to monitor and evaluate systems and to determine whether changing key input variable (KIV) settings is appropriate. Specifically, SQC is associated with Shewhart’s statistical process charting (SPC) methods. These SPC methods include several charting procedures for visually evaluating the consistency of key process outputs (KOVs) and identifying unusual circumstances that might merit attention.