Appendix A: Glossary
5W’s and 2H’s: A rigid, structured approach that probes into and defines a problem by asking a specific set of questions related to a previously defined opportunity or problem statement. The 5W’s and 2H’s stands for:
- W1: What?
- W2: Why?
- W3: Where?
- W4: Who?
- W5: When?
- H1: How did it happen?
- H2: How much did it cost?
Acceptable quality level (AQL): The percentage or proportion of defects or defectives that is considered satisfactory quality performance for a process or product.
Acceptance decisions: The process of making the choice to accept or reject an output based on the risk related to accepting that output and/or your evaluation of the output that is provided. Acceptance decision is the highest number of nonconforming ...
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