Conflictos Semióticos de Estudiantes con el Concepto de Mediana (Students' Semiotic Conflicts in the Concept of Median)


Authors: 
Silvia Mayén, Carmen Díaz, and Carmen Batanero
Volume: 
8(2)
Pages: 
Online
Year: 
2009
Publisher: 
Statistics Education Research Journal
URL: 
http://www.stat.auckland.ac.nz/~iase/serj/SERJ8(2)_Mayen.htm
Abstract: 

The focus of this research is the concept of median, which has received scarce interest in previous research. We analyse the open responses given by 518 Mexican students from Educación Secundaria (Junior) and Bachillerato (Senior) Secondary Education to a problem involving the computation of median. Using some ideas from the onto-semiotic approach, we classify the responses, taking into account the central tendency measure used, and describe the students' semiotic conflicts. We use the chi-square test to study possible dependence between responses and students' group. We observe better results in computation in Educación Secundaria students but better competence to select the best representative value in Bachillerato students.

The CAUSE Research Group is supported in part by a member initiative grant from the American Statistical Association’s Section on Statistics and Data Science Education

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