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| Litlov zakon (L = λW)× | Six Sigma DMAIC× | |
|---|---|---|
| Oblast≠ | Operaciona istraživanja | Upravljanje kvalitetom |
| Porodica≠ | Regression model | Process / pipeline |
| Godina nastanka≠ | 1961 | 2014 |
| Tvorac≠ | John D. C. Little | Motorola; Pyzdek & Keller |
| Tip≠ | Exact queueing identity | Structured process improvement methodology |
| Temeljni izvor≠ | Little, J. D. C. (1961). A proof for the queuing formula: L = λW. Operations Research, 9(3), 383–387. DOI ↗ | Pyzdek, T., & Keller, P. (2014). The Six Sigma Handbook (4th ed.). McGraw-Hill. ISBN: 978-0-07-184053-9 |
| Drugi nazivi | L = λW Theorem, Little's Theorem, Little's Result, Little Yasası | DMAIC Framework, Six Sigma Process Improvement Cycle, Define-Measure-Analyze-Improve-Control, Altı Sigma DMAIC |
| Srodne | 3 | 3 |
| Sažetak≠ | Little's Law is a fundamental theorem in queueing theory that relates the long-run average number of items in a stable system (L) to the long-run average arrival rate (λ) and the long-run average time an item spends in the system (W), expressed as L = λW. Introduced and rigorously proved by John D. C. Little in 1961, the law holds for virtually any stable stochastic system, requiring no assumptions about arrival distributions, service distributions, or queue disciplines. | Six Sigma DMAIC is a data-driven, five-phase process improvement methodology — Define, Measure, Analyze, Improve, and Control — used to reduce defects and process variation to fewer than 3.4 defects per million opportunities. Originating at Motorola in the 1980s and systematized by practitioners including Pyzdek and Keller, it is widely adopted in manufacturing, healthcare, finance, and service industries seeking sustained quality gains. |
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