Construction and evaluation of histograms in teacher training

Abstract

This article details the results of a written test designed to reveal how education majors construct and evaluate histograms and frequency polygons. Included is a description of the mistakes made by the students which shows how they tend to confuse histograms with bar diagrams, incorrectly assign data along the Cartesian axes and experience difficulties in constructing the frequency polygon.

Keywords:

• histogram
• frequency polygons
• teacher education

Acknowledgements

Research conducted as part of Research Grant SEJ2006-10290 (Ministry of Science and Technology, Madrid, National Program for RDI (Research, Development & Innovation)).