Illuminations works to serve you by increasing access to quality standards-based resources for teaching and learning mathematics, including interactive tools for students and instructional support for teachers.

In this lesson, students plot data about automobile mileage and interpret the meaning of the slope and y-intercept of the least squares regression line.

This lesson provides another opportunity for the students to analyze how changing the independent variable in a set of data can result in a different least squares regression line.

This lesson will provide the teacher with another opportunity to listen to student discourse and assess student understanding.