How to Input Data and Make a Scatterplot on the TI-83 Calculator
The accompanying table lists weights (in hundreds of pounds) and highway fuel usage rates (in mpg) for a
sample of domestic new cars.
Weight (x)
29
35
28
44
25
34
30
33
28
24
Fuel (y)
31
27
29
25
31
29
28
28
28
33
How to Input Data
How to Make a Scatterplot
How to Clear the Lists
Press the Stat
key on your
calculator. It is
located in the
second row from
the top, the third
button.
Type the weights
into L1 pressing
ENTER after
each number.
Press either
ENTER or 1 to
go to the Edit
screen. If there is
data in your list
you will need to
clear it first.
(See below)
Press the right
arrow key to
move over to L2.
Type the Fuel
usage rate in L2,
pressing ENTER
after each number.
You can use any
list you want, you
do not have to use
L1 and L2.
Press 2nd then
STAT PLOT.
(The STAT
PLOT is located
on the Y= key
just below the
screen.)
Press ENTER or
1 to select
Plot!1. Your
cursor should be
flashing on the
word On.
Press ENTER to
turn the plot on.
The next 2 lines are the different types of
graphs. The first one is a scatterplot and
the second is a line graph. These are the
only two types we will use in this class.
The next two lines are the lists you used
for the x and y values. If you need to
change these, then press 2nd and the
number corresponding to the list you
need. The last line is the mark the
calculator will use for the points. Now
press Zoom (3rd button over under the
screen) and 9 to have the calculator set
the scale for the axes. (9:ZoomStat)
Press the Stat key
on your calculator.
It is located in the
second row from
the top, the third
button.
Press either
ENTER or 1 to
go to the Edit
screen.
Use the arrow
keys until the L1
at the top of the
list is
highlighted.
Press the Clear key and then the ENTER.
Key. DO NOT press the DEL key. This
will delete the list not clear the list. If you
do delete a list you can press the Stat key,
5:SetUpEditorand ENTER
