Six Sigma SPC 101

Statistical Process Control Methodology

Statistical process control is an important part of Six Sigma methodology, which proceeds through the following steps, also called DMAIC (Define, Measure, Analyze, Improve and Control):

1. Define - benchmarking, process flow mapping, flowcharts

2. Measure - defect metrics, data collection, sampling

3. Analyze - Fishbone diagrams, failure analysis, root cause analysis

4. Improve - modeling, tolerance control, defect control, design changes

5. Control - SPC control charts, performance management