Ingram, Rex. Statistics for business : made simple / Rex Ingram and Ken Hoyle - Oxford : Made Simple Books, 1991 - ix, 356 pages. ; 22 cm ISBN: 0750602074 Nat. Bib. No.: GB 91-47756 Subjects--Topical Terms: Statistics--Study and teaching. LC Class. No.: HF 1017 / .I53 Dewey Class. No.: 519.5