ETI 1622C - Concepts of LEAN Manufacturing and Six Sigma ETI 1622C - Concepts of LEAN Manufacturing and Six Sigma A comprehensive overview of the LEAN and Six Sigma methodologies is presented, including the Define, Measure, Analyze, Improve, and Control (DMAIC) process improvement paradigm. Semester Hours: 3 credit hours Semester all, Spring Fees: Lab Fee Course Designations: AS only