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Leading Six Sigma: A Step-by-Step Guide Based on Experience with GE and Other Six Sigma Companies by Roger W. Hoerl, Ronald D. Snee

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GLOSSARY

BASELINE:

The level of process performance when a project is initiated.

BLACK BELT:

A process improvement project team leader who is trained in the Six Sigma methodology and tools and who is responsible for project execution.

CAPABILITY:

The total range of inherent variation in a stable process. It is typically determined using data from control charts.

CAPABILITY INDEX:

A calculated value used to compare process variation to a specification. Examples are Cp and Cpk. Can also be used to compare processes.

CAUSE AND EFFECT (C&E):

A prioritization matrix or diagram that enables you to select those process input variables (Xs) that have the greatest effect on the process output variables (Ys).

CONTROL PLAN:

A process control document that describes ...

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