Probability and Statistics

10

Statistical Quality Control

Statistical quality control methods have been used in industry since at least the early 1940s. During the last several years interest in these methods and research in the development of more sophisticated methods has increased dramatically. Manufacturers in industrialized countries have realized that to compete favourably in the international marketplace, the quality and reliability of products produced must be competitive.

After World War II, Japan began to place a major emphasis on industrial quality control. An ­American statistician, Edward S. Deming, received international recognition for his early efforts in assisting Japanese industry in implementing industrial quality control methods. Most world consumers ...