Metric – a
verifiable measurement stated numerically or in qualitative terms
Sigma:
–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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