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Ishikawa's 7 Basic Tools of Quality

Webinar Title: Ishikawa's 7 Basic Tools of Quality

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Ishikawa's 7 Basic Tools of Quality is a designation given to a fixed set of graphical techniques identified as being most helpful troubleshooting issues related to quality. They are called basic because they are used easily by people with little formal training in statistics. Kaoru Ishikawa, in his book What Is Total Quality Control? The Japanese Way (1st ed. Prentice-Hall, (1985), "From my past experience as much as ninety-five percent of all problems within a company can be solved by means of these tools and because they can be used to solve the vast majority of quality-related issues.[2]

The seven tools are:

  • Check sheet
  • Histogram
  • Pareto chart
  • Control chart
  • Scatter diagram
  • Stratification (alternately, flow chart or run chart)
  • Cause-and-effect diagram (also known as the "fishbone" or Ishikawa diagram)

This set of tools was first emphasized by Kaoru Ishikawa, a professor of engineering at Tokyo University and “father” of Quality Circles, who in turn was influenced by a series of lectures W. Edwards Deming had given to Japanese engineers and scientists in the 1950’s. At that time, companies that had set about training their workforces in statistical quality control found that the complexity of the subject could intimidated the vast majority of their workers and scaled back training to focus primarily on simpler methods which suffice for most quality-related issues.

This webinar will explain how to use each of these tools and will include examples.

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