© 1999 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-30X
Ù
S: A Guide for Teachers
79
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)
%
”
v
Press
Display
%
”
"
1-VAR 2-VAR
1-VAR 2-VAR
&
-----
-----
DEG
<
v
XX
11
==
S
STAT
DEG
58
XX
11
=58
=58
S
STAT
DEG
$
35
YY
11
=35
=35
S
STAT
DEG
$
47
XX
22
=47
=47
S
STAT
DEG
$
28
YY
22
=28
=28
S
STAT
DEG
<
Continued
YY
22
=28
=28
S
28.
28.
STAT
DEG
Entering 2-VAR Stat Data
Содержание -30XIIS - Handheld Scienfic Calculator
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