A bivariate response model for studying the marks obtained in two jointly-dependent modules in higher education

• Emilio Gómez-Déniz ^[1] ; Nancy Dávila Cárdenes ^[1] ; María D. García Artiles ^[1]
  1. [1] Department of Quantitative Methods. University of Las Palmas de Gra n Canaria
• Localización: Sort: Statistics and Operations Research Transactions, ISSN 1696-2281, Vol. 41, Nº. 2, 2017, págs. 255-276
• Idioma: inglés
• Enlaces
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• Resumen

  • We study the factors which may affect students’ marks in two modules, mathematics and statistics, taught consecutively in the first year of a Business Administration Studies degree course. For this purpose, we introduce a suitable bivariate regression model in which the dependent variables have bounded support and the marginal means are functions of explanatory variables. The marginal probability density functions have a classical beta distribution. Simulation experiments were performed to observe the behaviour of the maximum likelihood estimators. Comparisons with univariate beta regression models show the proposed bivariate regression model to be superior.

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