Brase, Charles Henry Understandable statistics : concepts and methods / Charles Henry Brase, Corrine Pellillo Brase. - 6th ed. - Boston : Houghton Mifflin, c1999. - xxiv, 775 pages ; 24 cm Includes index. ISBN: 0395907683 Subjects--Topical Terms: Statistics. LC Class. No.: QA276 / B73 1999