Aczel, Amir D. Complete business statistics / By A.D. Aczel. - 4th ed. - Boston [etc] : McGraw-Hill, 1999. - XXII, 917 p. : ill. ; 26 cm. - The Irwin-Mcgraw-Hill series in operations and decision sciences . ISBN: 0-07-289302-8 Subjects--Topical Terms: ՎիճակագրությունCommercial statistics