Texas Instruments TI-30XIIS Teachers Guide - Page 84
Viewing the Data
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Viewing the Data (Continued) Find the number of data points (n), the mean (v), the sample standard deviation (sx), the population standard deviation (sx), the sum of the scores (Gx), and the sum of the squares (Gx2). Press u " " " " " Continued Display n v Sx sx & - 5. STAT DEG n -v Sx sx 79.4 & STAT DEG n v Sx sx & --- 16.39512123 STAT DEG n v Sx sx & --- 14.66424222 STAT DEG %Gx Gx 2 --- 397. STAT DEG %Gx Gx 2 ---32597. STAT DEG u © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 77
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© 1999 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-30X
Ù
S: A Guide for Teachers
77
Find the number of data points (
n
),
the mean (
v
)
,
the sample standard
deviation (
s
x
), the population
standard deviation (
s
x
), the sum of
the scores (
G
x
), and the sum of the
squares (
G
x
2
).
u
Press
Display
u
n
v
Sx
s
x
&
-
5.
5.
STAT
DEG
"
n
v
Sx
s
x
&
-
79.4
79.4
STAT
DEG
"
n
v
Sx
s
x
&
---
---
16.39512123
16.39512123
STAT
DEG
"
n
v
Sx
s
x
&
---
---
14.66424222
14.66424222
STAT
DEG
"
%
G
x
G
x
2
---
---
397.
397.
STAT
DEG
"
Continued
%
G
x
G
x
2
---
---
32597.
32597.
STAT
DEG
Viewing the Data
(Continued)