Lean Six Sigma Green Belt Certification Lean Six Sigma Green Belt Improve Phase and Solutions Questions and Answers 2

Question 1

Which tool is used in the Improve phase to systematically evaluate potential solutions against weighted criteria?

Accepted Answer

Pugh matrix

Answer

Pareto chart

Answer

Control chart

Answer

Fishbone diagram

Question 2

What is the primary purpose of conducting a pilot test before full-scale implementation of an improvement?

Accepted Answer

To validate the solution on a small scale and identify unforeseen issues

Answer

To satisfy upper management requirements

Answer

To delay the project timeline

Answer

To reduce the number of team members needed

Question 3

In a designed experiment (DOE), what does a main effect represent?

Accepted Answer

The change in response caused by changing the level of one factor

Answer

The interaction between two or more factors

Answer

The random error in the experiment

Answer

The baseline measurement before experimentation

Question 4

Which Improve phase technique uses structured brainstorming to generate creative solutions by challenging assumptions?

Accepted Answer

SCAMPER

Answer

5 Whys

Answer

Gemba walk

Answer

Value stream mapping

Question 5

What is a key risk of implementing multiple solutions simultaneously during the Improve phase?

Accepted Answer

Difficulty isolating which solution caused the observed improvement

Answer

Reduced team engagement

Answer

Increased documentation requirements

Answer

Lower overall cost of implementation

Question 6

What does FMEA stand for, and when is it applied in the Improve phase?

Accepted Answer

Failure Mode and Effects Analysis, used to assess risks of proposed solutions

Answer

Fundamental Measurement and Evaluation Assessment, used to measure baselines

Answer

Factorial Model for Experimental Analysis, used in DOE

Answer

Final Metrics and Efficiency Audit, used after implementation