TY - BOOK AU - Fleiss,Joseph L. TI - Statistical methods for rates and proportions SN - 0471263702 AV - QA279 .F58 1973 PY - 1973///] CY - New York PB - Wiley KW - Analysis of variance KW - Sampling (Statistics) KW - Rates and proportions N1 - Includes bibliographies ER -