Manufacturing and Production Six Sigma and Process Improvement 3

Question 1

What does the term 'voice of the customer' (VOC) mean in Six Sigma?

Accepted Answer

Systematically capturing customer needs, wants, and expectations

Answer

VOC is the process of capturing customer requirements to translate them into measurable Critical-to-Quality (CTQ) characteristics.

Question 2

Critical-to-Quality (CTQ) characteristics are:

Accepted Answer

Product or process features that directly affect customer satisfaction and must be measured and controlled

Answer

CTQs translate VOC requirements into specific, measurable process parameters that drive customer satisfaction.

Question 3

In Six Sigma, what is 'Y = f(X)' used to express?

Accepted Answer

The concept that process outputs (Y) are functions of process inputs and factors (X)

Answer

Y = f(X) expresses that outputs (quality, throughput) are determined by input variables and process factors, guiding root cause analysis.

Question 4

What is a 'Green Belt' in Six Sigma?

Accepted Answer

A part-time Six Sigma practitioner who leads smaller improvement projects while working in their primary role

Answer

Green Belts are employees trained in Six Sigma methods who lead smaller-scope projects within their own work area.

Question 5

What is the purpose of a SIPOC diagram in Six Sigma?

Accepted Answer

Provide a high-level view of a process by identifying Suppliers, Inputs, Process, Outputs, and Customers

Answer

A SIPOC diagram gives project teams a broad overview of the process scope and key stakeholders before detailed analysis.

Manufacturing and Production Practice Test