APICS Certified Supply Chain Professional (CSCP) — Question 393

Which of the following continuous improvement philosophies or techniques is aligned most closely with reducing variability?

Answer options

• A. Theory of constraints (TOC)
• B. Quick response
• C. Six sigma
• D. Lean

Correct answer: C

Explanation

The correct answer is C, Six Sigma, as it specifically focuses on reducing process variation and improving quality. While Theory of constraints, Quick response, and Lean all aim to enhance processes, they do not primarily focus on minimizing variability like Six Sigma does.