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Direct linkCasey, Stephanie A.; Wasserman, Nicholas H. – Statistics Education Research Journal, 2015
The purpose of this study was to investigate teachers' subject matter knowledge relevant to the teaching of informal line of best fit. Task-based interviews were conducted with nineteen pre-service and in-service mathematics teachers. The results include descriptions and categorizations of teachers' conceptions, criteria for placement, accuracy of…
Descriptors: Mathematics Teachers, Preservice Teachers, Statistics, Interviews
