All keys to press and screen modes are in BOLD type.

 To start off, make sure all graphs in the Y = mode are cleared out.

Clearing Data Lists:

2^nd STAT (MATRIX)

Arrow right to DATA, 2 (CLEARLIST), ENTER

Entering Data:

2^nd STAT

Arrow Right to DATA, 1 (EDIT)

Enter data in ordered pairs ( x1 , y1 ), ( x2 , y2 ), etc., Be sure to press ENTER after each entry.

Done? 2^nd OUIT (CLEAR)

Drawing a Scatter Plot:

Check range (RANGE as you would in graphing and equation) so it fits your data

2^nd STAT

Arrow to DRAW, 2 (SCATTER), ENTER

NOTE: These dots are hard to see. Look close!

Linear Regression Line and Plot:

2^nd STAT

2 (LinReg), ENTER (This yields your a and b for your linear regression equation y = ax + b)

Y =

VARS

Arrow over to LR, 4 (RegEQ)

GRAPH (Graphs regression line)

2^nd STAT

Arrow over to DRAW, 2 (SCATTER), ENTER (Graphs regression line and scatter plot)

P.Dueck, 1996