Quality control which cannot show results is not quality control. Let us engage in QC which makes so much money for the company that we do not know what to do with it.
Kaoru IshikawaAs much as 95% of quality related problems in the factory can be solved with seven fundamental quantitative tools.
Kaoru IshikawaThe ideas of control and improvements are often confused with one another. This is because quality control and quality improvement are inseparable.
Kaoru Ishikawa