Downing, Douglas. Business statistics / Douglas Downing, Jeffrey Clark. - 4th ed. - Hauppauge, NY : Barron's, c2003. - xvi, 506 p : ill. - Barron's business review series ; . Includes index. ISBN: 0764119834 9780764119835 Subjects--Topical Terms: Commercial statistics.statistics. LC Class. No.: HF1017 / .D65