Fishbone diagram finds all possible causes of a problem using 6M categories.
A fishbone diagram, also called Ishikawa or cause-and-effect diagram, is a visual tool that lists all possible causes of a problem. It is shaped like a fish skeleton with the problem at the head and categories on the bones. It is used in Lean, Six Sigma, and TQM.
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DHU and DPMO are both quality metrics but measure defects differently.
TQM is a company-wide approach to quality that involves every employee.
DHU measures defects per hundred units and is a key quality KPI in garments.
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