WGU D469 | Quality, Continuous
Improvement, and Lean Six Sigma Actual
exam | with 100% accurate solutions +
rationales 2026 | latest release verified
by professors | 250 questions and
answers | guaranteed pass updated June
2026
Section 1: Quality Management Foundations (Questions 1-30)
1. Which of the following is a core principle of W. Edwards Deming's
philosophy on quality management?
• A) Quality is the responsibility of the quality control department.
• B) Management must create a system that allows workers to do their best.
• C) The primary focus should be on inspecting products to find defects.
• D) Cost reduction is more important than quality improvement.
Correct Answer: B
Rationale: Deming emphasized that management is responsible for the system
within which people work. He believed that by improving the system, management
enables workers to perform at their highest potential and produce higher quality.
Options A and C reflect a traditional, inspection-based approach that Deming
argued against, and option D contradicts his belief that improving quality
ultimately reduces costs.
,2. According to Joseph Juran, the "Juran Trilogy" consists of which three
managerial processes?
• A) Plan, Do, Check, Act
• B) Quality Planning, Quality Control, Quality Improvement
• C) Define, Measure, Analyze, Improve, Control
• D) Sort, Set in Order, Shine, Standardize, Sustain
Correct Answer: B
Rationale: Juran defined quality management through three core processes:
Quality Planning (to design products and processes), Quality Control (to monitor
and ensure adherence to standards), and Quality Improvement (to achieve
breakthrough levels of performance). Option A is the PDCA cycle, option C is the
DMAIC framework, and option D is the 5S methodology.
3. Philip Crosby is best known for which concept?
• A) Zero Defects
• B) The 14 Points for Management
• C) The Juran Trilogy
• D) The 8 Wastes
Correct Answer: A
Rationale: Philip Crosby championed the concept of "Zero Defects" and the idea
that "quality is free" because the cost of preventing defects is lower than the cost of
fixing them. Option B belongs to Deming, option C to Juran, and option D is a
Lean concept.
4. The Plan-Do-Check-Act (PDCA) cycle is a model for:
• A) Statistical process control.
• B) Continuous improvement.
, • C) Root cause analysis.
• D) Value stream mapping.
Correct Answer: B
Rationale: The PDCA cycle is a foundational model for continuous improvement
and problem-solving. It involves planning a change, implementing it, checking the
results, and then acting on what was learned to standardize or improve the process
further.
5. What is the primary purpose of ISO 9001 standards?
• A) To specify exact product specifications for all industries.
• B) To ensure an organization has a quality management system in place.
• C) To certify that all products are defect-free.
• D) To replace the need for internal quality audits.
Correct Answer: B
Rationale: ISO 9001 is a standard for quality management systems (QMS). It
provides a framework for organizations to ensure they meet customer and
regulatory requirements and are committed to continuous improvement. It does not
specify product specifications (A), guarantee defect-free products (C), or eliminate
the need for audits (D).
6. Total Quality Management (TQM) is a management approach that
emphasizes:
• A) Quality is the sole responsibility of the production department.
• B) Quality is achieved through rigorous end-of-line inspection.
• C) A customer-focused, organization-wide commitment to continuous
improvement.
• D) Quality is only important for large manufacturing companies.
, Correct Answer: C
Rationale: TQM is a holistic approach that involves every employee in the
organization and focuses on meeting customer needs and continuously improving
processes. It rejects the idea that quality is only one department's responsibility or
that it is achieved through inspection alone.
7. A company is reviewing its processes to identify areas for improvement.
According to Deming, what is the most effective way to do this?
• A) By punishing employees for mistakes.
• B) By focusing on improving the system, not blaming individuals.
• C) By increasing the number of quality inspectors.
• D) By outsourcing production to a lower-cost country.
Correct Answer: B
Rationale: Deming famously stated that 94% of problems are system-related and
only 6% are employee-related. Therefore, the most effective way to improve
quality is to improve the system itself, rather than blaming or punishing
individuals.
8. Which of the following is a key characteristic of a "Quality Culture"?
• A) Quality is a separate function managed by a specific department.
• B) Employees are encouraged to hide problems to avoid blame.
• C) Continuous improvement is a core value for all employees.
• D) The focus is on short-term profits over long-term quality.
Correct Answer: C
Rationale: In a quality culture, every employee feels responsible for quality and is
empowered to identify and solve problems. Continuous improvement is not just a
program but a core value embedded in the organization's DNA.
Improvement, and Lean Six Sigma Actual
exam | with 100% accurate solutions +
rationales 2026 | latest release verified
by professors | 250 questions and
answers | guaranteed pass updated June
2026
Section 1: Quality Management Foundations (Questions 1-30)
1. Which of the following is a core principle of W. Edwards Deming's
philosophy on quality management?
• A) Quality is the responsibility of the quality control department.
• B) Management must create a system that allows workers to do their best.
• C) The primary focus should be on inspecting products to find defects.
• D) Cost reduction is more important than quality improvement.
Correct Answer: B
Rationale: Deming emphasized that management is responsible for the system
within which people work. He believed that by improving the system, management
enables workers to perform at their highest potential and produce higher quality.
Options A and C reflect a traditional, inspection-based approach that Deming
argued against, and option D contradicts his belief that improving quality
ultimately reduces costs.
,2. According to Joseph Juran, the "Juran Trilogy" consists of which three
managerial processes?
• A) Plan, Do, Check, Act
• B) Quality Planning, Quality Control, Quality Improvement
• C) Define, Measure, Analyze, Improve, Control
• D) Sort, Set in Order, Shine, Standardize, Sustain
Correct Answer: B
Rationale: Juran defined quality management through three core processes:
Quality Planning (to design products and processes), Quality Control (to monitor
and ensure adherence to standards), and Quality Improvement (to achieve
breakthrough levels of performance). Option A is the PDCA cycle, option C is the
DMAIC framework, and option D is the 5S methodology.
3. Philip Crosby is best known for which concept?
• A) Zero Defects
• B) The 14 Points for Management
• C) The Juran Trilogy
• D) The 8 Wastes
Correct Answer: A
Rationale: Philip Crosby championed the concept of "Zero Defects" and the idea
that "quality is free" because the cost of preventing defects is lower than the cost of
fixing them. Option B belongs to Deming, option C to Juran, and option D is a
Lean concept.
4. The Plan-Do-Check-Act (PDCA) cycle is a model for:
• A) Statistical process control.
• B) Continuous improvement.
, • C) Root cause analysis.
• D) Value stream mapping.
Correct Answer: B
Rationale: The PDCA cycle is a foundational model for continuous improvement
and problem-solving. It involves planning a change, implementing it, checking the
results, and then acting on what was learned to standardize or improve the process
further.
5. What is the primary purpose of ISO 9001 standards?
• A) To specify exact product specifications for all industries.
• B) To ensure an organization has a quality management system in place.
• C) To certify that all products are defect-free.
• D) To replace the need for internal quality audits.
Correct Answer: B
Rationale: ISO 9001 is a standard for quality management systems (QMS). It
provides a framework for organizations to ensure they meet customer and
regulatory requirements and are committed to continuous improvement. It does not
specify product specifications (A), guarantee defect-free products (C), or eliminate
the need for audits (D).
6. Total Quality Management (TQM) is a management approach that
emphasizes:
• A) Quality is the sole responsibility of the production department.
• B) Quality is achieved through rigorous end-of-line inspection.
• C) A customer-focused, organization-wide commitment to continuous
improvement.
• D) Quality is only important for large manufacturing companies.
, Correct Answer: C
Rationale: TQM is a holistic approach that involves every employee in the
organization and focuses on meeting customer needs and continuously improving
processes. It rejects the idea that quality is only one department's responsibility or
that it is achieved through inspection alone.
7. A company is reviewing its processes to identify areas for improvement.
According to Deming, what is the most effective way to do this?
• A) By punishing employees for mistakes.
• B) By focusing on improving the system, not blaming individuals.
• C) By increasing the number of quality inspectors.
• D) By outsourcing production to a lower-cost country.
Correct Answer: B
Rationale: Deming famously stated that 94% of problems are system-related and
only 6% are employee-related. Therefore, the most effective way to improve
quality is to improve the system itself, rather than blaming or punishing
individuals.
8. Which of the following is a key characteristic of a "Quality Culture"?
• A) Quality is a separate function managed by a specific department.
• B) Employees are encouraged to hide problems to avoid blame.
• C) Continuous improvement is a core value for all employees.
• D) The focus is on short-term profits over long-term quality.
Correct Answer: C
Rationale: In a quality culture, every employee feels responsible for quality and is
empowered to identify and solve problems. Continuous improvement is not just a
program but a core value embedded in the organization's DNA.
