Lewis, J. Parry 1927- Statistics explained / John Parry Lewis, Alasdair Traill. - Harlow, England ; Reading, Mass. : Addison-Wesley, c1999. - xx, 608 p. : ill. ; 24 cm. Includes index. ISBN: 0201178028 Subjects--Topical Terms: Statistics. Dewey Class. No.: 519.5