Curwin, Jon. Quantitative methods for business decisions / Jon Curwin and Roger Slater. - 5th ed. - London : Thomson Learning, 2002. - xiii, 682 p. : ill. (some col.) ; 25 cm. Additional web material can be found at: www.thomsonlearning.co.uk. Includes index. ISBN: 1861525311 (pbk.) Subjects--Topical Terms: Business mathematics.Statistics.