Statistics and statistical process control, valuable tools for quality improvement

Includes bibliographical references (page 130)Statistics and Statistical Process Control (SPC) can\ud be used as valuable elements in order to reduce\ud manufacturing and quality costs. In this project, these\ud concepts are explored and applied in a firm involved in the\ud design and production of Winchester Disk Drives for\ud Personal Computers. The analysis is centered on two major quality problems\ud in two major manufacturing areas. As a result of the\ud analysis significant cost savings were achieved. Savings\ud that represent $320,000 per year or $2.67 per unit are very\ud important in an industry where competition is very tough\ud and increasing every day