TY - BOOK AU - Bartel, Henry AU - Keller, Gerald TI - Statistics for management and economics: a systematic approach. (2nd ed.) SN - 0534126782 AV - HA 29 Kel PY - 1990/// CY - Belmont PB - Wadsworth Publishing Company KW - ECONOMICS--STATISTICAL METHODS KW - P0PULATION STATISTICS KW - MANAGEMENT--STATISTICAL METHODS ER -