Texas Instruments TI-30X - IIS Scientific Calculator Teachers Manual page 81

Scientific calculator
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Viewing the Data
Find the number of data points (n),
the mean ( ), the sample standard
deviation (Sx), the population
standard deviation ( x), the sum of
the scores (
squares (
2
).
x
Press
u
"
"
"
"
"
Continued
© 1999 T
I
I
EXAS
NSTRUMENTS
NCORPORATED
(Cont.)
), and the sum of the
x
Display
n
Sx
-
STAT
n
Sx
-
STAT
n
Sx
---
16.39512123
STAT
n
Sx
14.66424222
STAT
x
x
¸
---
STAT
x
x
¸
---
STAT
¹
x
5.
DEG
¹
x
79.4
DEG
¹
x
DEG
¹
x
---
DEG
2
397.
DEG
2 2
32597.
DEG
TI-30X ÙS: A Guide For Teachers
u
77

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