Statistical inference for management and economics / David V. Huntsberger, D. James Croft, Patrick Billingsley. Huntsberger, David V. Croft, D. James (David James), 1942- joint author. Billingsley, Patrick, joint author. Statistics. 519.54 HUS Includes bibliographies and index. Boston : Allyn and Bacon, c1980. c1980. 1980 Text xiv, 646, 44 p. : eng