About the Author
William G. Marchal is Professor of Information Systems and Operations Management at The University of Toledo College of Business Administration. He received his B.S. degree in Mathematics from The University of Dayton, an M.A. in Mathematics from The Catholic University of America, and his D. Sc. in Operations Research from The George Washington University. Dr. Marchal has held visiting appointments at The University of Michigan and George Mason University. He has also worked at the Executive Office of the District of Columbia government, the George Washington University Institute for Management Science, and the U.S. Army Chemical Research & Development Center. Dr. Marchal is co-author with the late Robert D. Mason and Douglas A. Lind of three textbooks: Statistics: An Introduction; Statistical Techniques in Business & Economics; and Basic Statistics for Business & Economics. His research on stochastic models focuses on applications to waiting line models. Dr. Marchal has made paper presentations at meetings of professional societies, referred papers for journals and served as an associate editor of Naval Research Logistics. Published articles appear in the journals: Communications in Statistics, INFORMS, Journal on Computing, IIE Transactions, Interfaces, Operations Research, The Annals of Operations Research, AIIE Transactions and The Journal of Applied Probability.
Samuel Wathen is a Professor in the E. Craig Wall Sr. College of Business Administration at Coastal Carolina University. He earned his Ph.D. in Business Administration from the University of Minnesota, a M.B.A. from Oklahoma State University, a M.S. in Forest Biometrics from Virginia Polytechnic Institute and State University, and a B.S. in Forestry from the University of Illinois. Dr. Wathen's research interests include applied statistics, teaching methods, and manufacturing and service process design. He has published articles in the International Journal of Operations and Production Management, National Productivity Review, International Journal of Service Industry Management, and the Journal of Workplace Learning: Employee Counseling Today. Dr. Wathen has 14 years of teaching experience. This includes introductory statistics, decision analysis, operations management, materials management, and service operations management. His experience spans both graduate and undergraduate programs. He attended a Master Teaching seminar held at Georgia State University that offered concepts and techniques to improve course design, course delivery, exam construction, student involvement, and many other aspects of teaching.