Graphing Calculator: Data Input
To input data into your calculator:
Get to the lists
Choose the EDIT menu.
Choose Edit (1) from the menu.
that’s already in your calculator
In the L1 column, use your up arrow to place the cursor on top of L1.
Press the down arrow.
L1 should now be clear of any data.
from L2 using the same procedure.
into L1 and L2
Enter all the x variables in L1.
Enter all the y variables in L2.
To graph the data points you have entered:
Set up the
(the STAT PLOT menu).
Choose Plot 1 by pressing
Plot 1 on by placing the cursor over ON and pressing
Choose the type of
you want which is a scatterplot (the first one shown). Place your cursor over the scatterplot and press
Make sure Xlist is L1 and Ylist is L2. If it is not, place the cursor next to Xlist and press 2nd and then the number 1. Now place your cursor next to Ylist and press 2nd and then the number 2.
For the Mark, choose the first option by placing your cursor on top of the first option and pressing
Set the window
To get a line to go through those points (or at least very close):
Setting up the command on the home screen
(to quit out of the
screen and go back to your home screen).
Choose the CALC menu.
Choose option 4 (LinReg) from the CALC menu.
Your home screen should now have LinReg.
Press 2nd and the number 1 (Your screen should now have LinReg L1).
key (right above the number 7).
Press 2nd and the number 2 (Your screen should now have LinReg L1, L2).
Choose the Y-VARS menu.
from the Y-VARS menu by pressing
Choose Y1 by pressing
Your screen should now have LinReg L1, L2, Y1.
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Catharine H. Colwell
Jeremy R. Blawn
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