In DMAIC, what does the A step involve?

• A. Define customers, project boundaries, and processes
• B. Measure performance
• C. Analyze data to identify causes of variation, gaps in performance, and prioritize actions
• D. Improve the process

Answer: (C)

In this phase, the team digs into the data gathered earlier to uncover the true causes of variation and performance gaps. The aim is to move beyond describing what the process is doing and understand why it isn’t meeting requirements, so you can target improvements where they matter most. Using both data analysis and root cause techniques, you test hypotheses, identify the actual drivers of problems, and assess their impact and feasibility. The output is a validated set of root causes and a prioritized list of actions to address them, which guides the Improve step. This focus on diagnosing causes and prioritizing fixes is what distinguishes Analyze from the other phases, where Define sets up the project scope, Measure characterizes current performance, and Control sustains gains.