00611pamaa2200205 4500 0000045801 20130117090000.0 090814 eng 9780471101352 (pbk.) QA276.12 EHR 1982 Ehrenberg A primer in data reduction : an introductory statistics textbook A.S.C. Ehrenberg. Chichester [West Sussex]: New York : Wiley, 1982. xviii, 305 p.; 24 cm. Includes index BATUH BBDUH Statistics Data reduction www.wiley.com