Pedro Arteaga|Danilo Díaz–Levicoy|Carmen Batanero
Chilean Primary School Children’s Understanding of Statistical Graphs
Universidad de Granada|Catholic University of the Maule|Universidad de Granada
context statistical graphs pervasive media professional settings therefore understanding relevant component statistical literacy objectives aim research assess understanding statistical graphs achieved chilean children finishing primary education much understanding maintained one year later design achieve aim built comprehensive questionnaire takes account previous analysis chilean curricular guidelines textbooks primary education main variables characterizing graphical competence literature recommendations experts statistics education also considered construction questionnaire participants setting sample intentional made 745 6 th 7 th grade students chile data selection analysis responses questionnaire analysed quantitatively qualitatively results inform task difficulty according different variables questionnaire average reading level statistical graphs achieved grades also inform main difficulties related different graphs activities proposed questionnaire conclusions conclude hat students learnt end 6 th grade remembered one year later dot plot pie charts difficult graphs building graphs difficult frequencies provided children attained upper level reading graphs