Introduction to Probability and Statistics, 16th Edition

William Mendenhall

The late Dr. Mendenhall served in the Navy during the Korean War and earned a Ph.D. in Statistics from North Carolina State University. Following his Ph.D., he joined the Mathematics Department at Bucknell University in Pennsylvania as a professor. In 1963, he moved to Gainesville, Florida, where he became the inaugural chairman of the Department of Statistics at the University of Florida. Dr. Mendenhall published extensively in leading statistics journals, including Biometika and Technometrics. He is perhaps best known for his prolific textbook writing, having authored or co-authored approximately 13 statistics textbooks and several books about his childhood.

Robert J. Beaver

Robert J. Beaver graduated from Bloomsburg State Teachers College (now Bloomsburg University) in 1959. He obtained an M.S. in Mathematics from Bucknell University in 1964 and subsequently enrolled in the graduate program in Statistics at the University of Florida, under the chairmanship of William Mendenhall. After completing his Ph.D. in Statistics with a minor in Mathematics, Beaver accepted a position as Assistant Professor in the newly established Department of Statistics at the University of California, Riverside, led by F. N. David. He spent his entire academic career at Riverside, progressing to the rank of Full Professor. His research interests included paired comparisons and skewed distributions, such as the skewed normal, skewed Cauchy, and skewed logistic. During his tenure at Riverside, Beaver served as chairman of the Department of Statistics and also as chairman of the faculty for the College of Natural and Agricultural Sciences. After 35 years at Riverside, he retired in 2005 as Professor Emeritus and Statistician. Beaver has been an author for Cengage since 1966, contributing to various Study Guides and textbooks, both independently and in collaboration with William Mendenhall and other authors. He and his wife Barbara have two children and four grandchildren.

Barbara M. Beaver

Barbara M. Beaver earned a B.A. in Mathematics (Magna Cum Laude) from Bucknell University in 1968 and a Master of Statistics degree from the University of Florida in 1970. From 1971 to 1977, she worked part-time as an Associate in Statistics in the Department of Statistics at the University of California, Riverside. In 1992, she began a full-time appointment as a Lecturer in the Department of Statistics at the University of California, Riverside, where she taught a variety of introductory statistics courses. She retired from teaching in 2008. Barbara has been an author and technical editor for Cengage since 1968. She developed Solutions Manuals and Study Guides for numerous introductory statistics texts and co-authored several statistics textbooks with William Mendenhall and Robert J. Beaver. Until her retirement, Barbara was also a professional musician, playing the viola in the Riverside County Philharmonic, the Redlands Symphony, and various freelance ensembles in the Inland Empire area. She and her husband Bob have two children and four grandchildren.

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