Walpole, Ronald E Introduction to statistics / Ronald E. Walpole - Third edition - Singapore : Pearson Education South Asia Pte Ltd., 2009. - xv, 521 pages ; 23 cm. Includes index. ISBN: 9814009512 Pbk, Np. Subjects--Topical Terms: Statistics. LC Class. No.: QA 276.12 W34 2009 CIRC