Lean Six Sigma Green Belt Certification Lean Six Sigma Green Belt Control Phase and Sustainment Questions and Answers 2

Question 1

Which tool is most commonly used in the Control phase to monitor process performance over time?

Accepted Answer

Control chart

Answer

Control charts track process variation over time and signal when a process goes out of statistical control.

Question 2

What is the primary purpose of a reaction plan in the Control phase?

Accepted Answer

To define corrective actions when a process goes out of control

Answer

A reaction plan specifies the immediate steps to take when monitoring detects an out-of-control condition.

Question 3

Which document transfers process ownership from the project team to the process owner?

Accepted Answer

Control plan

Answer

The control plan formally documents the monitoring strategy and transfers ongoing responsibility to the process owner.

Question 4

What does MSA stand for in the context of the Control phase?

Accepted Answer

Measurement System Analysis

Answer

Measurement System Analysis evaluates the accuracy and precision of the measurement system used to monitor the improved process.

Question 5

Which type of control chart would you use to monitor the proportion of defective items in samples of varying size?

Accepted Answer

p-chart

Answer

The p-chart is designed to track the proportion of nonconforming units and accommodates variable subgroup sizes.

Lean Six Sigma Green Belt Certification Practice Test