Anderson, David R. Statistics for business and economics / by D. R. Anderson, D.J. Sweeney, Th.A. Williams. - 5-th edt. - New York : West Publishing Company, 1990. - xxviii, 851, [109] p. : ill., tabl. ; 26 cm. Includes index ISBN: 0-314-01276-1 Subjects--Topical Terms: Statistics--BusinessEconomicsStatistical methods