Automobile Mileage: Age vs. Mileage
http://illuminations.nctm.org/LessonDetail.aspx?ID=L392
A lesson plan for grades 9–12 Mathematics
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In this lesson, one of a nine-part unit from Illuminations titled “Interpreting the ‘Real-Life’ Meaning of Graphical Representations of Data,” students plot data about automobile mileage and interpret the meaning of the slope and y-intercept of the least squares regression line. By examining the graphical representation of the data, students analyze the meaning of the slope and y-intercept of the line and put those meanings in the context of the real-life application. This lesson incorporates an interactive regression line applet.
North Carolina Curriculum Alignment
