Six Sigma

Course objectives:
  • Understand the importance of process orientation
  • Apply Six Sigma DMAIC (Define, Measure, Analyse, Improve, Control) methodology
  • Experience the negative effects of variation, see ways to measure and reduce it
  • Find out different types of process factors: dependent, independent, controlable or not
  • Ask the right questions to get to the root cause of problems
  • Identify potential problems before they actually take place
  • Apply this methodology and tools to one's own process with an improvement project

1. Define

2. Measure

3. Analyze

  • What to improve? Analyze the current process Value Stream Map
  • Process inputs and process internal metrics (X)
  • Source of defects, delays, waiting queues
  • Bottleneck and waste identification
  • Root cause: Cause and effect diagram
  • IS - IS NOT methodology
  • Test of hypothesis for variables and attributes
  • Input variables (X) and output (Y): correlation and regression
  • The Catapult exercise
  • Analysis of variance (ANOVA)
  • Sample size and confidence interval

5. Control