Six Sigma Green Belt Certification Practice Exam

During which step of the DMAIC process is data about the current process collected?

1. Analyze

2. Control

3. Measure

4. Define

The correct answer is: Measure

In the DMAIC process, the step where data about the current process is collected is when the team is in the Measure phase. This phase focuses on gathering relevant data to establish a baseline for the existing process performance. The goal is to quantify the current state, identify any areas of improvement, and create a clear understanding of the performance metrics that will be examined later in the Analyze phase. During the Measure phase, techniques such as process mapping, sampling, and statistical analysis are employed to collect and validate data. This data is critical as it informs the team about how the current process operates, helping them to pinpoint problem areas later in the improvement cycle. In contrast, the Analysis phase is where the collected data is examined to identify root causes of issues, while the Control phase focuses on maintaining improvements and ensuring that the process remains stable over time. The Define phase lays out the project's goals and scope but does not involve data collection about the existing process.