TI-82 and TI-83

To Enter Points:

STAT, 1 EDIT. Type in the x-values under L₁ and the y-values under L_2. ENTER after each value.

To Graph the Points:

2nd Y= STAT PLOT. Enter on 1. Use ◄ to get to ON and then ENTER. Then GRAPH.

To Turn Off Stat Plot:

2nd Y= STAT PLOT. Enter on 1. Use ► to get to OFF and then ENTER.

REGRESSION

To Find the Regression Equation:

STAT. Use ► to get to CALC. Enter on LinReg for Linear regression, QuadReg for quadratic regression (parabola), CubicReg for Cubic regression, and so on. ENTER again.

To Graph the Regression equation:

Y=. Then VARS and 5 Statistics. Use ► and ► to get to EQ. On the TI-82, Enter on

7 RegEq. On the TI-83, Enter on 1 RegEq. Then GRAPH.

Note: You may have to adjust the WINDOW to see all of the points on the viewing screen.

Mark Wilson-Instructor

SJRCC

Revised: 8/03