Here' s a quick summary for TI 83/84 users

1. press STAT

2. press ENTER

3. Enter our data in L1 and L2

4. press STAT and then arrow to the right for CALC

5. Select which type of equation you want (we used #6 for he Black Bear

worksheet)

6. If your screen shows CubicReg you can then enter L1,L2,Y1

(this will put your regression equation into Y1)

You can get Y1 by the following: press VARS, then right arrow over to y-vars, then ENTER, ENTER L1 (press 2nd 1), L2 (press 2nd 2)

7. In your y= screen, make sure PLOT 1 is highlighted (dark box around it)

8. press ZOOM 9 and your window will adjust to your data and you can see your data points and regression

graph

9. press TRACE and move the up/down arrow to get to your regression equation and you can enter your desired value for x (as long as it is within your window)

Video link for TI-Nspire users : http://www.youtube.com/watch?v=qpL0NoyfShI

Homework: Complete P.4 book assignment. Enjoy the Labor Day weekend!