This is a step-by-step handout for students to learn to find and graph a Least Squares Regression Line on the Ti-84 Graphing Calculator. The handout includes images from the TI-84. This handout is the 2nd of a series. See "Enter Data in TI-84 Calculator to Find 1-Var Statistics" for the 1st handout I would have students use. Because Statistics often prefers y=a+bx, that form is reference in the Google Doc. However, if you prefer to use the form y=ax+b, it would be a simple edit to change the "