Common Cause vs Special Cause Variation

In sta­tis­ti­cal process con­trol, we rec­og­nize two types of vari­a­tion, com­mon cause and spe­cial cause. Learn the def­i­n­i­tions and dif­fer­ences between these two types, and how to rec­og­nize them in our data by using con­trol charts.