Curwin, Jon. Quantitative methods for business decisions / Jon Curwin and Roge r Slater. - 6th ed. - Andover, Hants : Cengage Learning, c2008. - xix, 790 p. : ill. ; 25 cm. Includes index. ISBN: 9781844805747 Subjects--Topical Terms: Business mathematics.Statistics. Dewey Class. No.: 519.5024658