Friday, June 5, 2015

Basic Six Sigma Terms

Metric – a verifiable measurement stated numerically or in qualitative terms
–Used in statistics to represent standard deviation or the degree of variation in a set of measurements
–Sometimes called process sigma
–Refers to how well the process is performing relative to customer specifications (1σ = ~69% defective output,  2σ = ~31% defective, 3σ = ~6.7 %, 6σ = ~00% defective)
Process: a set of interrelated resources and activities that transform inputs into outputs with the aim of adding value
Specification: documented, detailed requirements with which a product or service has to comply
Variation: where no two items or services are exactly the same; any quantifiable difference between a specified measurement or standard and the deviation from such measurement or standard in the output

Tollgate Review : a formal review process that helps keep the project on track and helps promote successful results.

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