## A Graphically Motivated, Non-Calculus

Derivation of Formulas for Linear Regression

**S. M. Zoltek and S. S. Dick**

Department of Mathematical Sciences

and

Honors Program in General Education

George Mason University

Fairfax, Virginia 22030

e-mail: szoltek@gmu.edu, sdick@gmu.edu
**ABSTRACT**

A non-calculus derivation of linear regression formulas is supported by
the graphical display of the TI-83 calculator to visualize the minimization
of the sum-squared vertical distances.

Paper is available in the following formats: