TY - BOOK AU - Mason,Robert Deward TI - Statistical techniques in business and economics SN - 0256139016 AV - HA29 .M268 1996 PY - 1996/// CY - Chicago PB - Irwin KW - Social sciences--Statistical methods KW - Economics--Statistical methods KW - Commercial statistics N1 - "Key formulas" [4 p.] inserted; Includes bibliographical references and index ER -