Seven methods of QC

The new seven quality control methods, also called the new seven quality control tools, are mainly used to solve some management problems with more convenient methods. Compared with the original seven "old" quality control methods, it is mainly used in In the middle and senior management, the old seven methods are mainly used in specific practical work. Therefore, the new seven methods are applied to some companies with stricter management systems and higher management standards. The following are the contents of the old seven methods of QC and the new seven methods of QC:

The old seven methods of QC:

Characteristic factor analysis graph、plato、check table、stratification method、scatter graph、histogram, control graph.

QC new seven methods:

Relationship diagram、system diagram method、KJ method、arrow diagram method、matrix diagram method、PAPC method、matrix data analysis method.