OBJECTIVE To describe the sampling plan and estimation methods used to collect and analyze data in the survey Sexual Behavior and Perceptions of the Brazilian Population concerning HIV/AIDS in 2005. METHODS The study presents the decisions that were made concerning population definition, strata of interest to the survey and to the sampling plan, main procedures for data analysis and sample pe...

Acceptance sampling is a technique of statistical quality assurance based on inspection random sample items and making decision about the lot in which it either accepted or rejected. In case available historical knowledge, experts say that Bayesian approach best to correct decision. this study, for average probability acceptance, two-sided complete group chain plan (BT-SCGChSP) proposed. The bi...