TI-84: Least Squares Regression Line (LSRL)
1. Enter your data in L1 and L2.
Note: Be sure that your Stat Plot is on and indicates the Lists you are using.
2. Go to [STAT] "CALC" "8: LinReg(a+bx). This is the LSRL.
3. Enter L1, L2, Y1 at the end of the LSRL.
[2nd] L1, [2nd] L2, [VARS] "Y-VARS" "Y1" [ENTER]
4. To view, go to [Zoom] "9: ZoomStat".
Note: View individual data points using the [TRACE] button