CSSGB Practice Questions - Certified Six Sigma Green Belt Exam

What is the key difference between Lean and Six Sigma?

Lean focuses on speed and waste reduction while Six Sigma focuses on variation reduction Lean is only for manufacturing while Six Sigma is only for service industries Lean requires Black Belts while Six Sigma requires only Green Belts There is no difference; they are identical methodologies

Correct Answer:

Lean focuses on speed and waste reduction while Six Sigma focuses on variation reduction

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