Texas Instruments TI-34 II Teachers Guide - Page 97
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 Display n- ‡ Sx „x ¹ 5. STAT " n -‡ Sx „x ¹ 79.4 STAT " n ‡ Sx „x ¹ -- 16.39512123 STAT " n ‡ Sx „x ¹ -- 14.66424222 STAT " ¸-Š-" Šx2 397. STAT " ¸Š" -Š-x-2 32597. STAT u © 1999 TEXAS INSTRUMENTS INCORPORATED TI-34 Û: A Guide for Teachers 91
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© 1999 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI
-
34
Û
: A Guide for Teachers
91
Viewing the Data
(Continued)
u
Find the number of data points
(
n
), the mean (
v
), the sample
standard deviation (
Sx
), the
population standard deviation
(
s
x
), the sum of the scores (
G
x
),
and the sum of the squares (
G
x
2
).
Press
Display
u
n
‡
Sx
„x
¹
-
5.
STAT
"
n
‡
Sx „x
¹
-
79.4
STAT
"
n ‡
Sx „x
¹
--
16.39512123
STAT
"
n ‡
Sx „x
¹
--
14.66424222
STAT
"
¸
Š” Šx
2
--
397.
STAT
"
¸
Š” Šx
2
---
32597.
STAT