(WGU D469) BUS 389 Quality,Continuous Improvment, Lean Six Sigma - OA Pre Test Guide(WGU D469) BUS 389 Quality,Continuous Improvment, Lean Six Sigma - OA Pre Test Guide(WGU D469) BUS 389 Quality,Continuous Improvment, Lean Six Sigma - OA Pre Test Guide
,1. Multiple Choice: Which of the following is a core principle of
Lean Six Sigma?
A) Reducing process variation
B) Increasing process complexity
C) Maximizing resource utilization
D) Expanding product offerings
Correct Answer: A) Reducing process variation
Rationale: Lean Six Sigma focuses on eliminating waste and
reducing variation in processes to improve quality and efficiency.
2. Fill-in-the-Blank: The ________ is a graphical tool used in Six
Sigma to identify potential causes of a problem.
Correct Answer: Fishbone Diagram
Rationale: The Fishbone Diagram, also known as the Ishikawa or
cause-and-effect diagram, helps in brainstorming to identify
possible causes of a problem and sort ideas into useful categories.
, Rationale: Continuous improvement applies to all types of
processes in an organization, not just manufacturing, aiming to
enhance quality, efficiency, and responsiveness.
4. Multiple Response: Select all that apply. Which of the following
are tools used in the Measure phase of DMAIC?
A) Pareto Chart
B) Control Chart
C) SIPOC Diagram
D) Value Stream Mapping
Correct Answers: A) Pareto Chart, B) Control Chart
Rationale: Both Pareto Charts and Control Charts are used to
measure and analyze process performance, identifying the most
significant issues and monitoring process stability.
5. Multiple Choice: In the context of supply chain management,
what does the acronym SCOR stand for?
A) Supply Chain Operations Reference
B) Supply Chain Optimization and Reengineering
C) Systematic Change of Resources
D) Strategic Coordination of Regulations
Correct Answer: A) Supply Chain Operations Reference
, Rationale: SCOR is a process reference model that provides a
unique framework for linking business processes, performance
metrics, practices, and people skills into a unified structure.
6. Fill-in-the-Blank: The process of streamlining operations to
ensure that they are as efficient as possible is known as ________.
Correct Answer: Lean Management
Rationale: Lean Management aims to create more value for
customers with fewer resources by optimizing workflows,
eliminating waste, and focusing on key value streams.
7. True/False: A Six Sigma Black Belt is typically responsible for
strategic planning rather than project execution.
Correct Answer: False
Rationale: A Six Sigma Black Belt is highly trained in the Lean
Six Sigma methodology and leads project teams on problem-
solving projects, often playing a key role in execution.
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