If you use statistics and need easy access to simple, reliable definitions and explanationsof statistical and statistics-related concepts, then look no further than thisdictionary. Over 3600 terms are defined, covering medical, survey, theoretical, andapplied statistics, including computational statistics. Entries are provided for standardand specialized statistical software. In addition, short biographies of over 100important statisticians are given. Definitions provide enough mathematical detail toclarify concepts and give standard formulae when these are helpful. The majority ofdefinitions then give a reference to a book or article where the user can seek furtheror more specialized information, and many are accompanied by graphical material toaid understanding.