In Lean Six Sigma, data is more than numbers — it’s the voice of the process. Whether you’re reducing defects, improving cycle time, or enhancing customer satisfaction, your insights are only as strong as your data. That’s why developing a solid data collection plan  is one of the most critical steps in any Six Sigma project. A well-crafted plan ensures that the data you gather is accurate, consistent, and relevant  to your problem statement. Let’s break down the essential el