The Six Sigma framework is a data-driven methodology for improving processes by eliminating defects and reducing variation. The most common approach is the DMAIC cycle (Define, Measure, Analyze, Improve, Control), which provides a structured process for improving existing products and services. Another methodology, DMADV, is used for designing new processes. DMAIC methodology: Define: Identify the problem and project goals, and define the project's scope. Measure: Collect data to understand the