Manufacturing and Production Six Sigma and Process Improvement 2

Question 1

What is a regression analysis used for in Six Sigma?

Accepted Answer

Identifying and quantifying the relationship between input variables and output outcomes

Answer

Scheduling maintenance tasks

Answer

Mapping process value streams

Answer

Auditing supplier performance

Question 2

Design of Experiments (DOE) in Six Sigma is used to:

Accepted Answer

Systematically test multiple input variable combinations to optimize process outputs

Answer

Design facility floor plans

Answer

Draft engineering change orders

Answer

Design employee training programs

Question 3

What does DPMO stand for?

Accepted Answer

Defects Per Million Opportunities

Answer

Defects Per Machine Output

Answer

Daily Production Monitoring Operations

Answer

Defined Process Measurement Objective

Question 4

In the Control phase of DMAIC, which tool is most commonly used to sustain improvements?

Accepted Answer

Control chart (SPC)

Answer

Fishbone diagram

Answer

Pareto chart

Answer

Scatter diagram

Question 5

What is a hypothesis test used for in Six Sigma projects?

Accepted Answer

Statistically determining whether observed differences between groups are real or due to chance

Answer

Writing project charters

Answer

Creating control plans

Answer

Setting machine parameters

Question 6

What is a 'tollgate review' in a Six Sigma project?

Accepted Answer

A structured phase-end review where the project team presents findings to leadership before proceeding

Answer

A final inspection of finished goods

Answer

A machine calibration checkpoint

Answer

A supplier quality audit milestone