WGU C215
Operations Management OA Study Guide – FINAL
| Questions & Answers with Rationales | 2026/2027
RESOURCE FEATURES
• C215 OA final review
• Practice questions and answers
• Detailed rationales and explanations
• Key terms and definitions
• Essential formulas
• Scenario-based practice
• Quality-management review
• Capacity and process-planning review
• Lean and JIT concepts
• Supply-chain and inventory review
• 2026/2027-focused preparation
, WGU C215 Operations Management OA Study Guide –
FINAL | Questions & Answers with Rationales |
2026/2027
Question 1
Total Quality Management (TQM) philosophy includes which of the
following elements? (Select all that apply)
A. Customer focus
B. Continuous improvement
C. Employee empowerment
D. Maximum production output
E. Use of quality tools
Answers: A, B, C, E
Rationale: TQM philosophy includes: 1) customer focus, 2) continuous
improvement, 3) employee empowerment, 4) use of quality tools, 5)
product design, 6) process management, and 7) managing supplier quality.
Maximum production output is not a TQM element; TQM focuses on quality
rather than quantity.
Question 2
What does the Process Capability Index (Cpk) measure?
,A. The theoretical maximum output of a system
B. The process potential and performance of processes
C. The number of defects in a production run
D. The cost of quality improvement initiatives
Answer: B. The process potential and performance of processes
Rationale: Cpk is a basic function of Six Sigma that measures the process
potential and performance of processes. The higher the Cpk range, the
improved is the ability of the process to complete its necessities.
Question 3
Six Sigma is best described as:
A. A quality control chart used for defect tracking
B. A disciplined, data-driven approach for eliminating defects
C. A Japanese manufacturing technique
D. A method for reducing employee turnover
Answer: B. A disciplined, data-driven approach for eliminating defects
Rationale: Six Sigma is a disciplined, data-driven approach and
methodology for eliminating defects (driving toward six standard
deviations between the mean and the nearest specification limit) in any
process—from manufacturing to transactional and from product to service.
Question 4
, Design capacity refers to:
A. The maximum output rate under normal conditions
B. The theoretical maximum output of a system in a given period under
ideal conditions
C. The average output rate achieved by a facility
D. The minimum output rate required to break even
Answer: B. The theoretical maximum output of a system in a given
period under ideal conditions
Rationale: Design capacity is the theoretical maximum output of a system
in a given period under ideal conditions. It represents what could be
achieved in a perfect environment without any interruptions.
Question 5
Which factor is NOT typically considered in location analysis?
A. Proximity to customers
B. Transportation
C. Source of labor
D. Employee uniform color preferences
Answer: D. Employee uniform color preferences
Rationale: Location analysis considers proximity to customers,
transportation, source of labor, community attitude, proximity to suppliers,
Operations Management OA Study Guide – FINAL
| Questions & Answers with Rationales | 2026/2027
RESOURCE FEATURES
• C215 OA final review
• Practice questions and answers
• Detailed rationales and explanations
• Key terms and definitions
• Essential formulas
• Scenario-based practice
• Quality-management review
• Capacity and process-planning review
• Lean and JIT concepts
• Supply-chain and inventory review
• 2026/2027-focused preparation
, WGU C215 Operations Management OA Study Guide –
FINAL | Questions & Answers with Rationales |
2026/2027
Question 1
Total Quality Management (TQM) philosophy includes which of the
following elements? (Select all that apply)
A. Customer focus
B. Continuous improvement
C. Employee empowerment
D. Maximum production output
E. Use of quality tools
Answers: A, B, C, E
Rationale: TQM philosophy includes: 1) customer focus, 2) continuous
improvement, 3) employee empowerment, 4) use of quality tools, 5)
product design, 6) process management, and 7) managing supplier quality.
Maximum production output is not a TQM element; TQM focuses on quality
rather than quantity.
Question 2
What does the Process Capability Index (Cpk) measure?
,A. The theoretical maximum output of a system
B. The process potential and performance of processes
C. The number of defects in a production run
D. The cost of quality improvement initiatives
Answer: B. The process potential and performance of processes
Rationale: Cpk is a basic function of Six Sigma that measures the process
potential and performance of processes. The higher the Cpk range, the
improved is the ability of the process to complete its necessities.
Question 3
Six Sigma is best described as:
A. A quality control chart used for defect tracking
B. A disciplined, data-driven approach for eliminating defects
C. A Japanese manufacturing technique
D. A method for reducing employee turnover
Answer: B. A disciplined, data-driven approach for eliminating defects
Rationale: Six Sigma is a disciplined, data-driven approach and
methodology for eliminating defects (driving toward six standard
deviations between the mean and the nearest specification limit) in any
process—from manufacturing to transactional and from product to service.
Question 4
, Design capacity refers to:
A. The maximum output rate under normal conditions
B. The theoretical maximum output of a system in a given period under
ideal conditions
C. The average output rate achieved by a facility
D. The minimum output rate required to break even
Answer: B. The theoretical maximum output of a system in a given
period under ideal conditions
Rationale: Design capacity is the theoretical maximum output of a system
in a given period under ideal conditions. It represents what could be
achieved in a perfect environment without any interruptions.
Question 5
Which factor is NOT typically considered in location analysis?
A. Proximity to customers
B. Transportation
C. Source of labor
D. Employee uniform color preferences
Answer: D. Employee uniform color preferences
Rationale: Location analysis considers proximity to customers,
transportation, source of labor, community attitude, proximity to suppliers,
