Seven basic tools of quality

Examples

Cause-and-effect diagram
Check sheet
Control chart
Histogram
Pareto chart
Scatter diagram
Flow chart
Run chart

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."

[FOOTNOTEMontgomery2005148-1] Montgomery 2005, p. 148.

[FOOTNOTEIshikawa1985198-2] 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."

[1]

[2]