Root Cause Hypothesis is an educated guess as to the cause of a problem in a process. Root Cause Hypothesis is part of the Analyze Phase in DMAIC. In order to form Hypotheses regarding the causes of process issues, one must conduct Root Cause Analysis which involves questioning and investigating to move past symptoms to the the true root of the problem.

Root Cause Hypothesis Template

Download Template: Root Cause Hypothesis

Download Template: Root Cause Hypothesis

To learn how to use Root Cause Hypothesis and how to apply Lean or Six Sigma, check out our Free Lean Six Sigma Yellow Belt TrainingGreen Belt Training or Lean Training.

Elisabeth Swan

Elisabeth is a Managing Partner & Executive Advisor at GoLeanSixSigma.com. For over 25 years, she's helped leading organizations like Amazon, Charles Schwab and Starwood Hotels & Resorts build problem-solving muscles with Lean Six Sigma to achieve their goals.