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The Median-Median Line
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Wilson, David C. – Mathematics Teacher, 2010
Graphing bivariate data in a scatter plot and drawing an approximate line of best fit for the data have become commonly recommended activities for middle school and high school students. The graphing calculator has provided a mechanism for students both to approximate a best-fit line and to calculate the best-fit line using a built-in option. Two…
Descriptors: Graphing Calculators, Regression (Statistics), Geometry, Algebra