http://www.wdpconsulting.com/articles/variation.pdf
Understanding variation is important if a process is to be improved. It is critical that the two sources of variation, Common Causes and Special Causes, are identified and handled using the appropriate tools. Six Sigma tools can be used to reduce Common Cause variation but not before the Special Cause Problem Solving methodology has been used to remove Special Cause sources of variation.
No comments:
Post a Comment