CONCEPTION AND ALTERNATIVE CONCEPTION OF MEAN: a comparative study among teachers and students’ basic school
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Tópicos específicos da Educação, Letramento Estatístico, média aritmética, concepções errôneas, Estudo DiagnósticoAbstract
The present study aims to analyze students and teachers conceptions and misconceptions of average. A paper and pencil test, comprised of three questions, was designed. 287 Brazilian students and teachers undertook the test. They were: 54 pupils from 4th grade, 47 from 5th grade, 61 students begging undergraduation on Pedagogy, 82 students finishing the undergraduation on Pedagogy and 43 elementary school teachers. The test was undertaken in a collective way. Excepting to the teachers group, all the groups tends to confuse average to addition of the values, or to the maximum value. The result points that, in spite of an evolution on the understanding of the concept of average according to the educational level of the groups, some misconceptions are found within the teachers’ group.
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