SAMPLING DESIGN IN THE OPINION SURVEY ON INTENTION TO VOTE IN PRESIDENTIAL ELECTIONS TO STU-DENTS OF THE UNMSM

• Autores: Solano Dávíla, Olga, Gómez Ticerán, Doris, Cárdenas Rojas, Ana María, Adriazola Cruz, Rosa Ysabel, Bartolo Gotarate, Félix Manuel, Martínez Portugués, Blanca, Giraldo Laguna, Orlando
• Formato: artículo
• Fecha de Publicación: 2011
• Institución: Universidad Nacional Mayor de San Marcos
• Repositorio: Revistas - Universidad Nacional Mayor de San Marcos
• Lenguaje: español
• OAI Identifier: oai:ojs.csi.unmsm:article/9586
• Enlace del recurso: https://revistasinvestigacion.unmsm.edu.pe/index.php/matema/article/view/9586
• Nivel de acceso: acceso abierto
• Materia: Voting intention; municipal and Presidential Elections; Stratified Random Sampling; Size of sample.; Intención de voto; Elecciones Municipales y Presidenciales; Muestreo Aleatorio Estratificado; Tamaño de muestra.

In the present work, we present the methodology of sample design. 011 the opinion poll of voting intentions of the students of San Marcos University in municipal elections of 2010 and presidential elections of 2011. We used stratified random sampling with allocation proportional 1:0 size (Scheffer y Mendenhall. 2003) and considered the following layers: Faculty of Administrative Sciences, Faculty of Biological Sciences, among others, in total twenty faculties of San Marcos University. The surveys were carried out in three stages, during the months of July, August and September. At each stage was considered to 500 participants who were selected from each of the twenty faculties, following the stratified sampling scheme with proportional allocation. For calculate the sample size was considered a limit to the estimation error of 4.41 % with a confidence level of 95% and the information provided by the Unified Registration System (SUM) of students matriculated the first semester of  2010 academic year.