Lean Six Sigma vs Six Sigma: Key Differences & Which Wins
Six Sigma is a data-driven methodology focused on reducing process variation and defects to near-zero levels. Lean Six Sigma blends that same discipline with Lean’s waste-cutting toolkit, targeting speed and efficiency alongside quality. Executives love the “six” branding and assume any belt color equals both speed and quality. Vendors muddy the water by marketing “Lean…