Seven Basic Tools of Quality

The Seven Tools of Quality (English Seven Tools of Quality, and Q7) are a collection of quality assurance methods, which were first compiled by Kaoru Ishikawa to 1943.

Here, a number of quantitative methods and tools to identify problems and possible solutions for continuous improvement in areas such as manufacturing are used. The large number of quality problems can be solved by the use of seven basic quantitative tools, which are known as the traditional "Seven tools quality ". These are:

  • Ishikawa diagram
  • Pareto chart
  • Check Sheet (English check sheet )
  • Quality control chart ( QCC ) or short control chart
  • Program flowchart (PAP, English flow chart. )
  • Histogram
  • Scatterplot (English scatterplot )

In total, these tools are suitable to separate opinions from facts and then to analyze these facts. As a result of this analysis is an interpretation and the possible introduction of measures to resolve the problems. The Q7 are widely available and are used in most organizations of the quality departments. A number of enhancements and improvements were proposed and accepted. So there is also the "Seven Management and Planning Tools."

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