User's Manual

© 1999 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-30X ÙS: A Guide For Teachers
79
Entering 2-VAR Stat Data
%
”
v
The table below shows the number of
pairs of athletic shoes sold by a
small shoe store. Enter this data
as the data points.
Month Total No.(x) Brand A (y)
April 58 (x1) 35 (y1)
May 47 (x2) 28 (y2)
Press Display
%
”
"
1-VAR 2-VAR
&
-----
DEG
< v
X
1
=
S
STAT DEG
58
X
1
=58
S
STAT DEG
$ 35
Y
1
=35
S
STAT DEG
$ 47
X
2
=47
S
STAT DEG
$ 28
Y
2
=28
S
STAT DEG
<
Continued
Y
2
=28
S
28.
STAT DEG