Davis, Harold T. Elements of statistics with application of economic data Harold T. Davis and W. F. C. Nelson - Indiana Principia Press 1935 - xi+424p. appendix; biblio; figs; names & subjects index ISBN: 1258399296 Subjects--Topical Terms: CorrelationProbabilityStatisticsTime Series Universal Decimal Class. No.: 519.2:311(075.2) / DAV