Mason, Robert D. Statistical techniques in business and economics / Robert D. Mason, Douglas A. Lind. - 8th ed. - Boston, MA ; Homewood, IL : IRWIN, 1993. - XXIV, 872 p. Includes index. ISBN: 0-256-10338-0 0-256-10811-0(Instr.ed.) 0-256-12828-6(Inter.ed.) Subjects--Topical Terms: Economics Subjects--Index Terms: Commercial statistics Statistical methods