Lean Six Sigma Green Belt Control Phase and Sustainment Questions and Answers Flashcards
6 cards from real Lean Six Sigma Green Belt Certification practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Lean Six Sigma Green Belt Control Phase and Sustainment Questions and Answers flashcards as text
Which tool is most commonly used in the Control phase to monitor process performance over time?
Answer: Control chart
Control charts track process variation over time and signal when a process goes out of statistical control.
What is the primary purpose of a reaction plan in the Control phase?
Answer: To define corrective actions when a process goes out of control
A reaction plan specifies the immediate steps to take when monitoring detects an out-of-control condition.
Which document transfers process ownership from the project team to the process owner?
Answer: Control plan
The control plan formally documents the monitoring strategy and transfers ongoing responsibility to the process owner.
What does MSA stand for in the context of the Control phase?
Answer: Measurement System Analysis
Measurement System Analysis evaluates the accuracy and precision of the measurement system used to monitor the improved process.
Which type of control chart would you use to monitor the proportion of defective items in samples of varying size?
Answer: p-chart
The p-chart is designed to track the proportion of nonconforming units and accommodates variable subgroup sizes.
What is the best approach to ensure long-term sustainment of process improvements?
Answer: Standardize the improved process and train all stakeholders
Standardizing procedures and training stakeholders embeds improvements into daily operations, ensuring they persist beyond the project.