Lean, quality improvement & root cause · Working
Lean Six Sigma
Also called: LSS
ELI5
An improvement approach combining flow and waste reduction with variation and defect reduction.
Used in conversation
“The operating model needs to show how lean Six Sigma works in practice.”
Pitch context
You will see “Lean Six Sigma” in operating plans, procurement packs, supplier reviews and supply-chain reports when the discussion reaches lean, quality improvement & root cause.
Why it matters: In lean, quality improvement & root cause, the definition can change ownership, capacity, process, cost or safety decisions.
Sources & evidence · 3
Direct term-level sources and supporting source families.
- U.S. Bureau of Labor Statistics — Productivity programmeDirect source · primary · checked 2026-08-16
- U.S. Acquisition.gov — Federal Acquisition Regulation Part 15 — Contracting by NegotiationSupporting source family · primary · checked 2026-08-16
- UK Government — Groceries Supply Code of PracticeSupporting source family · primary · checked 2026-08-16