© 1999
T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-30X
Ù
S: 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