Texas Instruments TI-30X IIS - Page 84

© 1999 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-30X ÙS: A Guide for Teachers
7
7
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 (
Gx
), and the sum of the
squares (
Gx
2
).
u
Press Display
u
n
v
Sx
s
x
&
--
5.5.
STAT DEG
"
n
v
Sx
s
x
&
--
79.479.4
STAT DEG
"
n
v
Sx
s
x
&
------
16.3951212316.39512123
STAT DEG
"
n
v
Sx
s
x
&
------
14.6642422214.66424222
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)