- Quality audit
- Process analysis
- Cost of quality
- Design of experiments
The correct answer is 1.
Quality audit is the correct answer, though both the quality audit and process analysis are listed as tools of the Perform Quality Assurance process. However, A Guide to the Project Management Body of Knowledge—Fifth Edition (PMBOK® Guide) gives significantly more attention to the quality audit, defining it in terms of verifying conformance with policies, processes, and procedures.
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