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Check sheet -
Control chart -
Histogram -
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Scatter diagram -
Flow chart -
Run chart
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Examples
The seven basic tools of quality are a fixed set of visual exercises identified as being most helpful in troubleshooting issues related to quality.[1] They are called basic because they are suitable for people with little formal training in statistics and because they can be used to solve the vast majority of quality-related issues.[2]
- ^ Montgomery 2005, p. 148.
- ^ Ishikawa 1985, p. 198: "From my past experience as much as ninety percent of all problems within a company can be solved by means of these tools."