Texas Instruments TI-73 EXPLORER - Manual (Page 145)

Chapter 7: Statistical Analyses
139
7307ENG.DOC CH 7, Statistical Analyses, English Julie Hewlett Revised: 07/29/98 12:07 PM Printed: 05/19/99
9:00 AM Page 139 of 22
Graph a scatter plot for
L 1
and
L 2
, where
L 1 ={1,3,4,5,5,7,8,9}
and
L 2 ={1,4,2,3,4,6,7,9}
, and use
Manual-Fit
to draw a line through the
points.
1. Set Decimal Notation mode
to
2
, if desired.
. # " " " b
2. After entering the lists,
define
Plot1
as a scatter plot
using
L 1
and
L 2
, as shown to
the right.
- e b
For more information on defining stat
plots, see Chapter 6: Statistical Plots.
3. Turn off
Y
2
,
Y
3
, and
Y
4
, if
they have been previously
defined and selected.
- l :
- }
2 6
2
¡
3
¡
4
b
4. Plot
L 1
and
L 2
.
(
7
5. From the Home screen,
assign the
Manual-Fit
(ax+b)
line to
Y
1
.
- l :
- v !
3
- }
2 1
b
³