Which tool is commonly used in DMAIC define phase?

In the DMAIC (Define, Measure, Analyze, Improve, Control) methodology, the commonly used tool in the Define phase is the SIPOC diagram. SIPOC stands for Suppliers, Inputs, Process, Outputs, and Customers, and it helps teams map out the high-level overview of a process. This tool aids in identifying key elements and stakeholders, ensuring a clear understanding of the process boundaries and objectives before diving deeper into measurement and analysis.