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...

In this paper, a group acceptance sampling plan is developed for a multiple number of items to be tested simultaneously in a tester. This study provides information for the group acceptance sampling plan using the total number of failures under the truncated life test to establish the percentile life quality assuming that the product lifetimes are Birnbaum-Saunders distributed. The required num...