Brainstorm Root CausesUnderstand How To Use Five Whys & Fishbone Diagram
• Should we focus on the Y or the X?
The Foundation of Lean Six Sigma
The Five Whys
• The practice of asking the question ‘Why?’ repeatedly, in order to work the casual chain
• Usually carried out by a group of people related to the process
• No special technique is required
What Are The Five Whys?
Benefits Of The Five Whys:
• One of the simplest tools; easy to complete without statistical analysis
• Help identify the root cause of a problem
When is Five Whys Most Useful?
• When problems involve human factors or interactions
• In day-to-day business life
• A visual tool used to logically organize possible causes for a specific problem by graphically displaying them in increasing detail
• Helps to identify possible root causes and ensures common understanding of causes
• Causes are arranged according to their level of importance or detail
What Is A Fishbone Diagram?
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