Downing, Douglas. Business statistics / Douglas Downing, Jeffrey Clark. - 4th ed. - Hauppauge, NY : Barron's, c2003. - xvi, 506 p ; 23 cm. - Business review books . - Business review books. . Includes index. ISBN: 0764119834 (pbk.) LCCN: 2003049613 Subjects--Topical Terms: Commercial statistics.Statistics. Dewey Class. No.: 519.5