Chapter 20

Seven Traditional Tools of TQM


The Japanese folklore says that the Samurai or the warrior always went to a battle armed with seven tools. After Kaoru Ishikawa’s fishbone diagram more such TQM tools have been developed to aid analysis of the problems associated with quality. The Japanese thought it fit to have seven tools in this list, to suit the theme of the above folklore and aptly called them as the seven traditional tools of TQM. These seven traditional tools related to TQM are explained in this chapter with illustrations. In fact these methodologies have been practiced by industrial engineers and statisticians over centuries developed, especially during World War II. This process charts used in industrial engineering ...

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