The Regression Line
http://illuminations.nctm.org/LessonDetail.aspx?ID=L454
A lesson plan for grades 9–12 Mathematics
This lesson, one of a four-part unit from Illuminations titled “Investigating Linear Relationships: The Regression Line and Correlation,” provides students with the opportunity to investigate the relationship between a set of data points and a line used to fit the data points, using a computer-based interactive graphing tool.



