Measurement System Analysis (MSA) When to Activate This Skill - "Conduct gage R&R study" - "Evaluate measurement system for [gage/characteristic]" - "Calculate %GR&R" - "Perform attribute agreement analysis" - "What's the ndc for this gage?" - "Is this measurement system acceptable?" - "MSA requirements for [characteristic]" Purpose of MSA MSA determines how much of the observed process variation is due to the measurement system rather than the actual process. Before making decisions based on measurement data, we must verify the measurement system is adequate. Why MSA Matters Without MSA: - "…