IASSC Certified Lean Six Sigma Yellow Belt (ICYB) — Question 4

Inputs that may affect your process to some degree but are not critical, are difficult to quantify and are random in nature are referred to as ___________.

Answer options

• A. Nuisance
• B. Noise
• C. Pests
• D. Elusive

Correct answer: B

Explanation

The correct answer is B, Noise, which refers to the random variations that can impact a process but are not critical. Options A, C, and D do not accurately describe these inputs, as they represent different concepts that do not align with the characteristics of random and difficult-to-quantify influences.