Справочник Пользователя для Texas Instruments TI-73
![Texas Instruments](https://files.manualsbrain.com/attachments/b46f99d826b2b0e0e5f558c5fb6483942eb9216b/common/fit/150/50/c15ea36eb1fb1cce99a3b94668675bfc78ce832d8d727d9a7bb51a125510/brand_logo.gif)
Chapter 7: Statistical Analyses
143
7307ENG.DOC CH 7, Statistical Analyses, English Julie Hewlett Revised: 07/29/98 12:07 PM Printed: 05/19/99
9:00 AM Page 143 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
LinReg(ax+b)
to draw the linear
regression 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
For more information on defining stat
plots, see Chapter 6: Statistical Plots.
3. Turn off
Y
3
and
Y
4
, if they
have been previously
defined and selected.
- l :
- }
- }
2
6
3
¡
4
b
4. Find the
LinReg(ax+b)
line,
and store the results to
Y
2
.
- l :
- v !
- v !
5
- }
2
2
b
Specifying
¨
1 and
¨
2 is optional since
they are the default
listnames.
However, if you were using other list
names, you would have to enter them
before the
Yn variable.
³