Quality Managers
3346 Auburn Rd. #339
Auburn Hills, Michigan
48326
Tel. +1 248 283 0834
Fax. +1 303 942 4112
Quality Management Terms
| Term | Definition |
|---|---|
| Structural Variation | Variation caused by recurring system-wide changes such as seasonal changes or long-term trends. |
| Supplier | Anyone whose output (materials, information, service, etc.) becomes an input to another person or group in a process of work. A supplier can be external or internal to the organization. |
| Taguchi, Genichi | Developed a set of practices known as Taguchi Methods, as they are known in the U.S., for improving quality while reducing costs. Taguchi Methods focus on the design of efficient experiments, and the increasing of signal to noise ratios. Dr. Taguchi also articulated the developed the quality loss function. Currently, he is executive director of the American Supplier Institute and director of the Japan Industrial Technology Institute. |
| Tampering | Dr. Deming cautions against tampering with systems that are "in control." It is very common for management to react to variation which is in fact normal, thereby starting wild goose chases after sources of problems which don't exist. Tampering with stable processes actually increases variation. |
| Timekeeper | Team member who keeps track of time spent on each agenda item during team meetings. This job can easily be rotated among team members. |
| Total Quality Management | Managing for quality in all aspects of an organization focusing on employee participation and customer satisfaction. Often used as a catch-all phrase for implementing various quality control and improvement tools. |
| Tree Diagram | A chart used to break any task, goal, or category into increasingly detailed levels of information. Family trees are the classic example of a tree diagram. In PathMaker, the structure of the tree diagram is identical to that of the cause & effect diagram. |
| Type I Error | Rejecting something that is acceptable. Also known as an alpha error. |
| Type II Error | Accepting something that should have been rejected. Also known as beta error. |
| u chart | A control chart showing the count of defects per unit in a series of random samples. |