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Introduction Incoming Quality Control (IQC) is the first line of defense in supply chain quality management. It directly determine…
1. What is a Turtle Diagram? The Turtle Diagram is a core tool in the ISO 9001 quality management system used for process identifi…
Introduction: Why Process Management Needs a Top Level Framework Many companies fall into the common trap of diving straight into …
1. General Strategies for the Green Belt Exam Through the second issue, you already know what is being tested; this issue will foc…
1. Overview of the DMAIC Methodology — Your Exam Map The core of the Six Sigma Green Belt exam is the five stages of DMAIC. Whethe…
1. What is Six Sigma? What is a Green Belt? If you are pondering the question, "I want to advance further in the field of quality …
Introduction "Every process has variation—the key is whether you can distinguish: is this normal variation, or is there a problem?…
Introduction Relying solely on the average can deceive you twice. Two work teams have an average nonconformity rate of 3%, but one…
Introduction "I think there's a relationship" and "data proves there's a relationship" are two different things. The scatter diagr…
Introduction to the Series The Seven QC Tools —— check sheets, stratification, Pareto charts, cause and effect diagrams (fishbone …
Introduction Italian economist Vilfredo Pareto discovered in 1906 that 80% of the land in Italy was owned by 20% of the population…
Introduction "Data does not lie, but those who only look at aggregated data may deceive themselves." Stratification — the most und…