Wheldon, Harold J. Business statistics and statistical method / Harold J Wheldon - Third edition (reprint) - London : Macdonald & evens , 1945 [1955] - ix, 233 p. : ill. 22 cm Includes Index Subjects--Topical Terms: StatisticsStatistical decisionMathematical statistics Dewey Class. No.: 519.502465 / WHB 1955