TY - BOOK AU - Hird, H. Richard. AU - Rahilly, Anthony B. TI - Understanding business statistics: concepts and Canadian applications SN - 0774730935 PY - 1991/// CY - Toronto PB - Harcourt Brace Jovanovich, Canada KW - Stastics KW - Business KW - Statistics N1 - includes glossary and symbol of terms, and index ER -