Seven Tools of Quality

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The discipline of Total Quality Control uses a number of quantitative methods and tools to identify problems and suggest avenues for continuous improvement in fields such as manufacturing.

Over many years, total quality practitioners gradually realized that a large number of quality related problems can be solved with seven basic quantitative tools, which then became known as the traditional "Seven Tools of Quality”. These are:

• Ishikawa diagram
• Pareto chart
• Check sheet
• Control chart
• Flowchart
• Histogram
• Scatter diagram

These tools have been widely used in most quality management organizations, and a number of extensions and improvements to them have been proposed and adopted.

[edit] See also

• Glossary of Quality Management