Tool Name Phase of DMAIC in which tool is most commonly used (Define, Measure, Analyze, Improve, Control) D M A I C Affinity Diagram · · Brainstorming · · Business case · Cause and Effect Diagrams · Project Charter · Consensus · Control Charts For continuous Data Individuals X-Bar, R EWMA For discrete data P,nP C,U · · · · CTQ (Critical To Quality) Tree · Data Collection Forms Check Sheet Frequency Plot Check Sheet Confirmation Check Sheet Concentration Diagram · · · · Data Collection Plan · · · · Design Of Experiments Full Factorial Reduced Fractions Screening Designs