Did I Get This – Linear Regression
Background: A statistics department is interested in tracking the progress of its students from entry until graduation. As part of the study, the department tabulates the performance of 10 students in an introductory course and in an upper-level course required for graduation. The scatterplot below includes the least squares line (the line that best explains the upper-level course average based on the lower-level course average), and its equation:
This document is linked from Linear Relationships – Linear Regression.