Lean Six Sigma Black Belt Certification Define and Measure Phases 3

Question 1

In a Gage R&R crossed study, which variance component specifically measures variation caused by different appraisers measuring the same part differently?

Accepted Answer

Reproducibility

Answer

Reproducibility is the variation in measurements caused by different operators or appraisers measuring the same part.

Question 2

A Voice of the Customer exercise yields the requirement 'deliveries must always be on time.' After applying QFD, what does this become in measurable terms?

Accepted Answer

Critical to Quality (CTQ) characteristic

Answer

VOC statements are translated into specific, measurable CTQ characteristics that define what 'quality' means to the customer.

Question 3

Which data collection strategy involves observing and recording process events as they occur in real time rather than from historical records?

Accepted Answer

Prospective (real-time) data collection

Answer

Prospective data collection captures data as events happen, reducing recall bias and data integrity issues common with historical data.

Question 4

A process produces 3.4 defects per million opportunities. How many sigma does this correspond to, assuming a 1.5-sigma long-term shift?

Accepted Answer

6 sigma

Answer

3.4 DPMO is the benchmark for a Six Sigma process, which assumes a 1.5-sigma shift from the short-term mean to the long-term mean.

Question 5

When defining project boundaries in the charter, what term describes the point where the process under study begins?

Accepted Answer

Start point / process trigger

Answer

The start point or trigger event defines where the process begins, which is essential for establishing the project scope boundaries.

Lean Six Sigma Black Belt Certification Practice Test

Lean Six Sigma Black Belt Certification Practice Test

Lean Six Sigma Black Belt Certification Define and Measure Phases 3