Learning Exercise

Slope and Y-intercept

This assignment was created by Sue Bertelson of Brookings High School, Brookings, South Dakota. It demonstrates the relations of the least squares procedure to the regression line associated with a set of data points.
Course: Algebra, Modeling

Visual explanation of the least squares procedure. see more



Linear equations


Least squares, regression line, slope, y-intercept

Learning Objectives

Students will plot data points. Students will interpret the positive slope of a line as a rate of change. Students will interpret the meaning of a line in the context of real life data. Students will be introduced to the least square regression line.