Appendix A
Glossary
accuracy The extent to which measurement system values compare with the truth.
Affinity Diagram A tool used to group items into logical categories, and naming the categories with a title that characterizes the group.
Alternate Hypothesis (HA) Relative to hypothesis testing, a statement of difference or dependence (e.g., changes in x do affect Y).
Analysis of Variance (ANOVA) Statistical method used to test the hypotheses that changes in levels for each x factor cause changes in the response variable Y.
ask why five times The act of questioning until you get the root cause of a problem.
attribute data Discrete data gathered into categories, such as Large, Small, On, Off, Red, Blue, Pass, Fail, and so on.
Autonomous Maintenance ...
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