DAVID F. GROEBNER is a Professor of Production Management and Chairman of the Department of Computer Information Systems and Production Management at Boise State University. He has bachelor's and master's degrees in Engineering and a Ph.D. in Business Administration. After working as an engineer, he has taught statistics and related subjects for 27 years. In addition to writing textbooks and academic papers, he has worked extensively with both small and large organizations, including Hewlett-Packard, Boise Cascade, Albertson's, and Ore-Ida. He has worked with numerous government agencies, including Boise City and the U.S. Air Force.PATRICK W. SHANNON, PH.D. is Professor of Production and Operations Management in the College of Business and Economics at Boise State University. He teaches graduate and undergraduate courses in business statistics, quality management, and production and operations management. In addition, Dr. Shannon has lectured and consulted in the statistical analysis and quality management areas for over 20 years. Listed among his. consulting clients are Boise Cascade Corporation, Hewlett-Packard; Power Bar, Inc.; Potlatch Corporation; Wood grain Millwork, Inc.; J.R. Simplot Company; Zilog Corporation; and numerous other public- and private-sector organizations. Professor Shannon has coauthored. several university-level textbooks and has published numerous articles in such journals as Business Horrzons, Interfaces, Journal of Simulation, Journal of Production and Inventory Control, Quality Progress, and Journal of Marketing Research. He obtained B.S. and M.S. degrees from the University of Montana and a Ph.D. in Statistics and Quantitative Methods from the University of Oregon.PHILLIP C. FRY is an Associate Professor in the Department of Computer Information Systems and Production Management in the College of Business and Economics at Boise State University, where he has taught since 1988. Phil received his B.A. and M.B.A degrees from the University of Arkansas, and his M.S. and Ph.D. degrees from Louisiana State University. His teaching and research interests are in the areas of business statistics, production management, and quantitative business modeling. In addition to his academic responsibilities, Phil has consulted with and provided training to small and large organizations, including Boise Cascade Corporation; Hewlett-Packard Corporation; The J.R. Simplot Company; United Water of Idaho; Woodgrain Millwork, Inc.; Boise City; and Micron Electronics. Phil spends most of his free time with his wife Susan, to whom he has been married for 18 years, and his four children, Phillip Alexander, age 8, Alejandra Johanna, age 7, and twins, Courtney Rene and Candace Marie, age 1.