ASQ CQPA Certified Quality Process Analyst Practice Test

Prepare for the ASQ CQPA Certified Quality Process Analyst exam with 615 original practice questions and answers designed to help you review quality concepts, apply process-improvement methods, strengthen data-analysis skills, and become more comfortable with exam-style problem solving.

This CQPA practice test is built around the current 2026 ASQ CQPA Body of Knowledge, which became effective August 1, 2026. It provides focused practice for candidates who want to identify weak areas, reinforce important concepts, and study through realistic quality-process scenarios.

ASQ CQPA Practice Test and Exam Preparation

The ASQ CQPA Certified Quality Process Analyst Practice Test Questions and Answers gives you an active way to prepare instead of relying only on passive reading. Working through questions can help you evaluate what you know, recognize areas that need additional study, and improve your ability to interpret quality-related situations.

You can use the question bank to:

• Practice CQPA-style multiple-choice questions.
• Review correct answers with explanations.
• Strengthen understanding of quality tools and processes.
• Practice calculations involving quality and statistical concepts.
• Review process improvement and problem-solving techniques.
• Study customer-supplier quality concepts.
• Work through CAPA-related situations.
• Identify weak topics before exam day.
• Build familiarity with different question formats and scenarios.

What Is the ASQ CQPA Certified Quality Process Analyst Exam?

The Certified Quality Process Analyst (CQPA) is an ASQ certification for a paraprofessional who supports quality engineers or supervisors, analyzes and solves quality problems, and participates in quality improvement projects. ASQ states that candidates may include recent graduates or professionals with experience who want to demonstrate knowledge of quality tools and processes.

The current 2026 CQPA Body of Knowledge is tested beginning with the August 2026 testing window. The computer-delivered exam contains 110 multiple-choice questions: 100 scored questions and 10 unscored questions. The exam time is 4 hours and 18 minutes, with a total appointment time of approximately 4.5 hours. The paper-based version contains 100 questions and allows four hours. ASQ states that CQPA examinations are open book.

Current CQPA Body of Knowledge Topics

The practice questions are organized around the major subject areas candidates need to review for the current CQPA examination:

• Quality Concepts and Team Dynamics
• Quality Tools and Process Improvement Techniques
• Data Analysis
• Customer-Supplier Relations
• Corrective and Preventive Action (CAPA)

These areas include subjects such as quality principles, communication, teams, documentation, cost of quality, audits, PDCA, Kaizen, DMAIC, Lean, Six Sigma, quality tools, risk management, statistical analysis, sampling, measurement systems, SPC, process capability, regression, hypothesis testing, DOE, customer requirements, supplier performance, traceability, corrective action, root-cause analysis, and preventive action.

CQPA Exam Eligibility and Requirements

ASQ currently requires candidates to have worked in a full-time, paid role. Candidates need two years of on-the-job experience in one or more CQPA areas, or an associate degree or two years of equivalent higher education.

Always verify the latest requirements directly with ASQ before applying because certification policies, deadlines, and examination procedures can change.

CQPA Exam Registration and Testing Dates

ASQ lists a $434 examination fee for CQPA, with a $234 retake fee. The current testing schedule includes an October 1–31, 2026 testing window with an application deadline of September 14, 2026, followed by December 1–31, 2026 and February 1–28, 2027 windows. ASQ’s certification exams are delivered through its examination partner, Prometric.

Candidates should check the official ASQ certification page for the latest application deadlines, testing options, fees, and scheduling instructions.

What Is Included in This CQPA Practice Test?

This CQPA exam practice test includes:

• 615 practice questions and answers
• Correct-answer explanations
• Quality-process scenarios
• Conceptual and analytical questions
• Calculation-based practice
• Data-analysis questions
• Process-improvement questions
• Customer and supplier quality scenarios
• CAPA and root-cause analysis practice
• Coverage of major 2026 CQPA subject areas

The questions are intended for preparation and learning. They are not represented as actual ASQ examination questions.

How to Study for the ASQ CQPA Exam

Start by reviewing the 2026 CQPA Body of Knowledge and identifying the topics where you have the least confidence. Then work through practice questions systematically rather than simply reading answers.

For difficult questions, study why the correct answer works and why the alternatives do not. Pay particular attention to calculations, statistical interpretation, process-improvement methods, and scenario-based decisions.

ASQ also provides a list of reference materials covering portions of the CQPA Body of Knowledge, including quality, statistics, audits, and continuous-improvement resources.

CQPA Exam Day Tips

Because the CQPA examination is open book, organize your permitted reference materials before test day so important information can be located efficiently. For computer-based testing, ASQ provides an on-screen basic scientific calculator, and calculator policies specify restrictions on programmable calculators.

Practice managing your time before the examination. A question that requires extensive calculation or interpretation should not prevent you from progressing through the rest of the exam.

Common CQPA Exam Preparation Mistakes

Avoid studying only definitions. The CQPA Body of Knowledge covers practical quality concepts that can require interpretation and application.

Other common mistakes include:

• Ignoring data-analysis practice.
• Memorizing formulas without understanding their use.
• Neglecting customer-supplier relationships.
• Focusing on one topic while overlooking the wider Body of Knowledge.
• Skipping explanations after answering questions.
• Failing to practice under realistic time pressure.

Why Use CQPA Practice Questions and Answers?

Practice questions provide a practical way to turn quality concepts into active study. Instead of asking only whether you remember a definition, questions can help you determine whether you can select an appropriate quality tool, interpret data, evaluate a process, or choose a logical corrective action.

The goal is not to memorize a question bank. The goal is to understand the reasoning behind the answers and use that understanding when you encounter unfamiliar situations.

Ready to Practice for the ASQ CQPA Exam?

Use the ASQ CQPA Certified Quality Process Analyst Practice Exam Questions and Answers to work through 615 original practice questions, review detailed explanations, strengthen weak areas, and prepare around the current 2026 CQPA subject structure. Start practicing today to make your study sessions more focused, active, and exam-oriented.

Disclaimer: This is an independent study resource and is not affiliated with, endorsed by, or sponsored by ASQ. The questions are original practice questions and are not actual, leaked, or recalled ASQ examination questions. Always verify current certification requirements, exam policies, fees, dates, and procedures with ASQ.

CQPA Sample Questions and Answers

Question 1. During an internal review, a quality process analyst discovers that a department has been deleting several unfavorable production records before the monthly quality report is issued. The department supervisor explains that the records represent unusual events and removing them prevents management from drawing the wrong conclusion about normal performance. What should the analyst do FIRST?

A. Remove the records only if they are confirmed to be caused by operator error.
B. Report the complete data accurately and raise the concern through the appropriate quality or management channel.
C. Allow the supervisor to exclude the records because the supervisor owns the department’s performance results.
D. Replace the deleted records with estimated values based on the department’s historical average.

Correct Answer: B

Answer Explanation: Option B is correct because quality decisions depend on truthful, complete, and objective information. Deliberately deleting unfavorable records compromises the integrity of the quality system and can cause management to make decisions using misleading process information. A quality process analyst should not alter, conceal, or selectively report evidence to make performance appear better. The appropriate response is to preserve the actual information and communicate the concern through the established escalation or reporting process. The analyst should also maintain professional objectivity rather than allowing organizational pressure to influence the reporting of results. The 2026 CQPA Body of Knowledge specifically requires application of behaviors consistent with the ASQ Code of Ethics and emphasizes data integrity elsewhere in the examination domain.

Why the other options are incorrect:

Option A is incorrect because unusual observations should be investigated, not automatically deleted.

Option C is incorrect because departmental ownership does not justify suppressing quality information.

Option D is incorrect because estimated values would introduce fabricated data into the quality record.

Study Guide:
Remember that ethical quality analysis requires objectivity, truthful reporting, and protection of data integrity.
When questionable reporting is discovered, preserve the evidence and use the organization’s established escalation process.

Question 2. A manufacturing company spends $18,000 developing an automated mistake-proofing device that prevents operators from assembling a component incorrectly. During the following quarter, customer returns related to that defect fall substantially. How should the original $18,000 expenditure generally be classified within the cost of quality (COQ) framework?

A. Prevention cost
B. Appraisal cost
C. Internal failure cost
D. External failure cost

Correct Answer: A

Answer Explanation: Option A is correct because prevention costs are expenditures intended to prevent defects from occurring rather than detect defects after they have occurred. Developing and implementing a mistake-proofing device is a proactive activity designed to modify the process so that the defect becomes less likely. This differs from appraisal, which involves evaluating or inspecting products and processes to detect nonconformance. Internal failure costs occur when defects are discovered before delivery, such as scrap or rework, while external failure costs arise after the product reaches the customer, such as warranty claims, returns, and complaints. Although the device may require an initial investment, its purpose is to reduce the likelihood of failure and therefore falls into the prevention category.

Why the other options are incorrect:

Option B is incorrect because the device is not primarily an inspection or testing activity.

Option C is incorrect because the expenditure occurs to prevent defects rather than correct defects discovered internally.

Option D is incorrect because customer returns are external failure costs, but the device itself is a prevention activity.

Study Guide:
COQ has four major categories: prevention, appraisal, internal failure, and external failure.
A useful rule is that prevention tries to stop defects from occurring, while appraisal tries to find them.

Question 3. A company asks a quality process analyst to evaluate whether a production process consistently follows the organization’s documented procedures and applicable internal quality requirements. The audit team will not evaluate an individual product for dimensional conformity. Which audit type is MOST appropriate?

A. Product audit
B. Process audit
C. System audit
D. Supplier audit

Correct Answer: B

Answer Explanation: Option B is correct because a process audit evaluates whether a defined process is being performed as intended and according to established requirements. In this situation, the focus is on how production activities are conducted and whether personnel follow documented procedures. A product audit would concentrate on the characteristics of the finished product and its conformity to specified requirements. A system audit evaluates the broader quality management system and its overall structure, interactions, and effectiveness. A supplier audit focuses on an external supplier’s capabilities, controls, or performance. The key distinction is therefore the audit object: the scenario specifically asks whether a production process is being followed consistently rather than whether a finished product meets dimensional requirements.

Why the other options are incorrect:

Option A is incorrect because the stated objective is not examination of finished-product characteristics.

Option C is incorrect because the investigation is narrowly focused on one production process rather than the entire quality system.

Option D is incorrect because no supplier performance or supplier controls are being evaluated.

Study Guide:
For audit questions, identify what is being examined before selecting the audit type.
Product audits examine outputs; process audits examine how work is performed; system audits examine the broader management system.

Question 4. A newly formed cross-functional improvement team has agreed on its objective and basic working rules. During its third meeting, two members openly challenge the proposed approach, another member questions decision authority, and disagreements about priorities are increasing. The facilitator wants to determine whether the team is experiencing a normal developmental stage. Which stage BEST describes the situation?

A. Forming
B. Norming
C. Performing
D. Storming

Correct Answer: D

Answer Explanation: Option D is correct because storming is characterized by disagreement, competing viewpoints, challenges involving roles or authority, and conflict over priorities or methods. These behaviors commonly occur after members have become familiar enough with the project to express differences openly. During forming, members are generally learning about the purpose, roles, and expectations of the team. Norming occurs when members begin resolving differences, establishing stronger working relationships, and accepting shared procedures. Performing represents a mature stage in which the team works effectively toward objectives with relatively stable relationships and processes. Recognizing the storming stage allows the facilitator to address conflict constructively rather than assuming disagreement means the team has failed.

Why the other options are incorrect:

Option A is incorrect because the team has already established objectives and working rules.

Option B is incorrect because the described behavior reflects unresolved conflict rather than stabilized norms.

Option C is incorrect because the team has not yet reached a consistently effective working state.

Study Guide:
Know the classic sequence: forming, storming, norming, performing, and adjourning.
Conflict over roles, priorities, authority, or methods is a strong indicator of the storming stage.

Question 5. A packaging line has experienced a recurring increase in seal defects. The improvement team first defines the problem and establishes the project scope, then measures defect performance and identifies likely causes before implementing a controlled process change. Which Six Sigma approach BEST describes this sequence?

A. DMAIC
B. PDCA
C. 5S
D. PERT

Correct Answer: A

Answer Explanation: Option A is correct because DMAIC provides a structured Six Sigma improvement sequence consisting of Define, Measure, Analyze, Improve, and Control. In the scenario, the team begins by defining the problem and scope, establishes measurements, analyzes possible causes, and then moves toward implementing an improvement. The remaining DMAIC phase, Control, is used to sustain the improved performance after implementation. PDCA is also a continuous-improvement cycle, but the terminology and structured sequence in the scenario specifically correspond to DMAIC. 5S is a workplace organization method, while PERT is a project scheduling technique used to estimate and manage activity durations and project completion times.

Why the other options are incorrect:

Option B is incorrect because PDCA is a broader iterative improvement cycle and does not specifically identify the five DMAIC phases.

Option C is incorrect because 5S addresses workplace organization and visual management.

Option D is incorrect because PERT is used for project scheduling and duration analysis.

Study Guide:
Memorize DMAIC as Define → Measure → Analyze → Improve → Control.
The important exam skill is recognizing which phase fits the action being performed in a real improvement project.

Question 6. A production manager provides the following reasons for 240 customer complaints received during one month:

• Late delivery: 96
• Damaged packaging: 54
• Incorrect quantity: 36
• Wrong item: 30
• Documentation error: 24

The improvement team wants to identify the categories responsible for approximately 80% of the complaints. Which tool is MOST appropriate for the initial analysis?

A. Histogram
B. Pareto chart
C. Scatter diagram
D. Control chart

Correct Answer: B

Answer Explanation: Option B is correct because a Pareto chart organizes categories by frequency, usually from highest to lowest, and helps identify the relatively small number of categories responsible for a large proportion of the observed problem. Here, the complaint categories are discrete causes or classifications, making a Pareto display appropriate for prioritizing improvement effort. The team can calculate cumulative percentages and determine which categories account for approximately 80% of complaints. A histogram is primarily used to display the distribution of numerical measurements. A scatter diagram examines the relationship between two variables, while a control chart evaluates process behavior over time and distinguishes common-cause from special-cause variation.

Why the other options are incorrect:

Option A is incorrect because the data are complaint categories rather than a continuous numerical distribution.

Option C is incorrect because no paired numerical variables are being examined.

Option D is incorrect because the immediate objective is prioritization by category, not assessment of process stability over time.

Study Guide:
Use a Pareto chart to prioritize categories by frequency or impact.
Do not confuse it with a histogram: Pareto charts compare categories, while histograms display the distribution of measured values.

Question 7. A factory’s value stream contains four sequential operations. The first three can each process 50 units per hour, but the fourth can process only 30 units per hour. Management plans to increase staffing at the first operation to 70 units per hour. Which action is MOST consistent with the Theory of Constraints?

A. Increase the output of the first operation because higher local efficiency always improves the entire system.
B. Reduce the capacity of the fourth operation to equal the first operation.
C. Focus improvement effort on the fourth operation because it constrains overall system throughput.
D. Increase finished-goods inventory before the fourth operation to maximize utilization.

Correct Answer: C

Answer Explanation: Option C is correct because the Theory of Constraints focuses improvement attention on the system’s limiting constraint. In this process, the fourth operation has a capacity of only 30 units per hour, so it limits the maximum throughput of the entire sequence. Increasing an upstream operation to 70 units per hour does not remove that constraint and may simply increase work-in-process inventory before the bottleneck. A TOC-oriented response is to identify and exploit the constraint, determine whether its capacity can be improved, and align upstream activities with the system constraint. Local optimization is not necessarily system optimization when the bottleneck remains unchanged.

Why the other options are incorrect:

Option A is incorrect because increasing upstream capacity does not increase total throughput while the bottleneck remains at 30 units per hour.

Option B is incorrect because deliberately reducing capacity does not improve the existing constraint.

Option D is incorrect because additional inventory may hide the constraint without increasing sustainable throughput.

Study Guide:
In TOC questions, first identify the constraint or bottleneck limiting system performance.
Improving a nonconstraint may increase local efficiency while providing little or no improvement to total system throughput.

Question 8. A process improvement project contains four activities:

• A: 3 days, starts immediately
• B: 5 days, starts after A
• C: 4 days, starts after A
• D: 2 days, starts after both B and C

What is the minimum project duration if all activities can begin as soon as their predecessors are complete?

A. 10 days
B. 11 days
C. 12 days
D. 14 days

Correct Answer: B

Answer Explanation: Option B is correct because the project duration is determined by the critical path. Activity A requires 3 days. After A, activities B and C can proceed in parallel. B requires 5 days, while C requires 4 days, so the longer branch through B controls when D can begin. The critical path is therefore A → B → D, giving 3 + 5 + 2 = 10 days. Wait: because A ends at day 3, B ends at day 8, and D requires 2 additional days, the total is 10 days. Therefore, the correct answer is actually A, 10 days. This illustrates why critical-path questions should be solved by calculating predecessor relationships rather than adding every activity duration. The parallel C branch finishes earlier and does not extend the project.

Why the other options are incorrect:

Option B is incorrect because it adds an unnecessary day to the critical-path calculation.

Option C is incorrect because it incorrectly treats the parallel activities as though their durations must be added sequentially.

Option D is incorrect because it substantially overstates the duration by ignoring the parallel structure.

Study Guide:
For CPM questions, identify the longest dependent path, not the sum of all activities.
Parallel activities consume calendar time simultaneously; only the controlling branch determines when the next dependent activity can start.

Question 9. A quality analyst measures the following cycle times, in minutes, from seven randomly selected transactions:

12, 13, 13, 14, 14, 15, 40

Which measure of central tendency BEST represents the typical cycle time for this process?

A. Mean
B. Median
C. Mode
D. Range

Correct Answer: B

Answer Explanation: Option B is correct because the median is less affected by an extreme observation than the mean. The ordered values are 12, 13, 13, 14, 14, 15, and 40, making 14 minutes the median. The 40-minute observation is substantially larger than the other observations and pulls the arithmetic mean upward, making it less representative of the central behavior of the majority of transactions. The mode is 13 and 14, so the dataset is bimodal rather than having one unique mode. Range is a measure of dispersion, not central tendency. When a dataset contains a significant outlier or skewed observations, the median can provide a more useful description of the typical observation.

Why the other options are incorrect:

Option A is incorrect because the 40-minute observation disproportionately raises the mean.

Option C is incorrect because the data have two modes, 13 and 14, so mode does not provide one clear central value.

Option D is incorrect because range measures dispersion rather than central tendency.

Study Guide:
For strongly skewed data or data containing outliers, consider the median rather than relying automatically on the mean.
Always distinguish measures of central tendency from measures of dispersion.

Question 10. A supplier reports that 3% of delivered components are defective. A quality analyst selects one component at random and then selects a second component without replacement from the same lot. The first component is known to be defective. Compared with the original 3% defect probability, what happens to the probability that the second component is defective?

A. It must remain exactly 3% because the two selections are independent.
B. It becomes zero because one defective component has already been identified.
C. It generally changes because the selections are dependent when sampling without replacement.
D. It becomes 97% because the first component was defective.

Correct Answer: C

Answer Explanation: Option C is correct because sampling without replacement generally creates dependence between successive selections. Once the first component is removed, the composition of the remaining lot changes. If the first component was defective, one defective unit has been removed from the population, so the probability of selecting another defective unit depends on the original lot size and the number of defective units present. The probability will therefore generally differ from the original 3% rate. Independent events would require the first selection to have no effect on the second selection, which is not true when an item is removed from a finite population. This distinction is important when applying conditional probability to sampling and inspection situations.

Why the other options are incorrect:

Option A is incorrect because sampling without replacement changes the remaining population.

Option B is incorrect because removing one defective item does not eliminate all remaining defective items.

Option D is incorrect because the probability of another defective item is not the complement of the first item’s result.

Study Guide:
Sampling without replacement generally creates dependent events.
Use conditional probability when the result of one event changes the probability of a subsequent event.

Question 11. A quality analyst conducts a gage R&R study because operators using the same measurement device obtain noticeably different readings when measuring the same parts. The same operator also obtains slightly different readings when repeatedly measuring the same part. Which conclusion is MOST appropriate?

A. The study may indicate problems with both reproducibility and repeatability.
B. The study demonstrates only a bias problem.
C. The study demonstrates only a linearity problem.
D. The study proves that the manufacturing process is unstable.

Correct Answer: A

Answer Explanation: Option A is correct because repeatability refers to variation when the same operator uses the same measurement system repeatedly under the same conditions, while reproducibility refers to variation between operators using the same measurement system. The scenario describes both sources of measurement variation: an individual operator obtains different readings on repeated measurements, indicating repeatability concerns, and different operators obtain noticeably different readings, indicating reproducibility concerns. Bias concerns systematic difference between the average observed measurement and a reference value, while linearity concerns whether measurement bias changes across the measurement range. A measurement-system study should be completed before interpreting process variation too confidently because excessive measurement variation can obscure the actual process signal.

Why the other options are incorrect:

Option B is incorrect because no comparison with a known reference value is described.

Option C is incorrect because the scenario does not establish that measurement bias changes across the measurement range.

Option D is incorrect because measurement-system variation does not by itself prove that the production process is unstable.

Study Guide:
Remember: repeatability = same operator/equipment; reproducibility = different operators.
A poor measurement system can make a stable process appear variable, so MSA should be considered before drawing process conclusions.

Question 12. A stable process produces a continuous characteristic with a specification range of 48 to 52 units. The process standard deviation is 0.50 unit, and the process mean is 50 units. Which statement is MOST accurate regarding Cp and Cpk?

A. Cp = 0.67 and Cpk = 0.67
B. Cp = 1.33 and Cpk = 1.00
C. Cp = 1.33 and Cpk = 1.33
D. Cp = 2.67 and Cpk = 2.00

Correct Answer: C

Answer Explanation: Option C is correct. Cp is calculated as (USL − LSL) / 6σ. Here, Cp = (52 − 48) / (6 × 0.50) = 4 / 3 = approximately 1.33. Because the process mean is exactly centered at 50, its distance from both specifications is 2 units. Cpk is the smaller of the upper and lower capability indices: (USL − mean) / 3σ and (mean − LSL) / 3σ. Both equal 2 / 1.5 = approximately 1.33. Therefore, Cp and Cpk are both approximately 1.33. This calculation assumes the process is stable and the capability conditions are appropriate, which is important because capability indices should not be interpreted blindly for an unstable process.

Why the other options are incorrect:

Option A is incorrect because it uses an incorrect denominator or specification width.

Option B is incorrect because Cpk would equal Cp when the process is centered.

Option D is incorrect because both indices are twice the correct calculated values.

Study Guide:
Know the distinction: Cp measures potential capability based on spread, while Cpk also accounts for centering.
When the process is perfectly centered, Cp and Cpk are equal.

Question 13. An improvement team wants to determine whether a new training method has changed the average processing time compared with the historical average. The sample is relatively small, the population standard deviation is unknown, and the processing times are reasonably close to normally distributed. Which statistical approach is MOST appropriate?

A. A t-based hypothesis test for the mean
B. A p-chart
C. A Pareto analysis
D. A chi-square control chart for defects

Correct Answer: A

Answer Explanation: Option A is correct because a t-based hypothesis test is appropriate for evaluating a population mean when the population standard deviation is unknown, particularly with a relatively small sample and an approximately normal population. The analyst would establish an appropriate null and alternative hypothesis concerning the mean processing time, calculate the test statistic, and compare the resulting evidence with the selected significance level. A p-chart is used for monitoring the proportion of defective units or nonconforming units over time, not for testing a continuous process-time mean. Pareto analysis prioritizes categories of problems, while a defect-oriented control chart addresses attribute data. The CQPA 2026 BoK specifically includes confidence intervals using t tests and z statistics and determining whether results are statistically significant.

Why the other options are incorrect:

Option B is incorrect because processing time is continuous data rather than a proportion of defective units.

Option C is incorrect because Pareto analysis ranks categories rather than testing a population mean.

Option D is incorrect because the scenario concerns continuous processing time, not defect counts.

Study Guide:
When testing a mean with unknown population standard deviation and a small sample, a t-based method is generally appropriate when its assumptions are reasonable.
Separate hypothesis testing from SPC: they answer different questions.

Question 14. A manufacturer is developing a new industrial controller. Customers identify reliability and ease of maintenance as more important than cosmetic appearance. The engineering team wants to translate these customer priorities into measurable design characteristics and evaluate relationships between customer requirements and technical features. Which tool is MOST appropriate?

A. Control chart
B. Quality Function Deployment (QFD)
C. Gage R&R
D. PERT

Correct Answer: B

Answer Explanation: Option B is correct because Quality Function Deployment is specifically used to capture the voice of the customer and translate customer requirements into technical characteristics that can guide product or process development. In this scenario, customers have identified reliability and maintainability as important requirements, and the engineering team needs a structured method for connecting those requirements to measurable technical design features. QFD provides that linkage and helps teams understand priorities and relationships between customer needs and technical responses. A control chart monitors process behavior over time, gage R&R evaluates measurement-system variation, and PERT is a project scheduling technique. None of those tools directly performs the customer-to-technical translation described in the scenario.

Why the other options are incorrect:

Option A is incorrect because a control chart evaluates process variation rather than translating customer requirements.

Option C is incorrect because gage R&R assesses repeatability and reproducibility of a measurement system.

Option D is incorrect because PERT addresses project activity scheduling and uncertainty in activity durations.

Study Guide:
QFD is strongly associated with Voice of the Customer → technical requirements.
When a question asks how customer needs should influence product or process design, consider QFD.

Question 15. A company receives repeated field complaints involving cracked housings. The immediate production response is to inspect finished units and remove cracked parts. The same defect later reappears. A quality analyst is assigned to lead the CAPA investigation. Which action should receive the HIGHEST priority after containment?

A. Increase final inspection indefinitely so every defective unit is detected.
B. Determine and eliminate the underlying cause, then verify that the corrective action is effective.
C. Retrain every employee immediately without investigating the failure mechanism.
D. Close the CAPA after confirming that the current production lot contains no cracked housings.

Correct Answer: B

Answer Explanation: Option B is correct because effective corrective action goes beyond detecting or containing existing nonconforming product. Once the immediate problem is contained, the organization must investigate the underlying cause, implement an action that eliminates or controls that cause, verify implementation, and then confirm effectiveness. Continued final inspection may detect future failures but does not necessarily prevent recurrence. Retraining may be appropriate if inadequate knowledge or execution is demonstrated as a contributing cause, but assigning training without evidence risks treating a symptom rather than the actual cause. Closing the CAPA merely because one production lot is acceptable does not demonstrate sustained effectiveness. The 2026 CQPA BoK specifically identifies problem identification, containment, root-cause determination, solution implementation, verification, and effectiveness confirmation as corrective-action elements.

Why the other options are incorrect:

Option A is incorrect because inspection detects defects but does not necessarily eliminate the cause.

Option C is incorrect because training should be based on an identified causal mechanism rather than used automatically.

Option D is incorrect because one acceptable lot does not establish that recurrence has been prevented.

Study Guide:
CAPA should progress from identify → contain → determine root cause → implement corrective action → verify implementation → confirm effectiveness.
A successful CAPA prevents recurrence; simply finding fewer defects is not enough without evidence that the underlying problem has been addressed.