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(5) S x:
Standard deviation with population parameter taken to be "n — 1".
_
/ 2 x 2 — r\x 2
(Used to estimate the standard deviation of population from the
y /
n — 1
sample data extracted from that population.)
(6) ox:
Standard deviation with population parameter taken to be "n ".
ox _
'Ex2 ~ n* 2
(Used when all populations are taken to be sample data or when
y
n
finding the standard deviation of population w ith sample taken
to be a population.)
Data for one-variable statistic calculations are inputted by the following operations
(1) Data
[Data]
(2) Data
l
X
I
Frequency
iPatal
(when two or more of the same data are inputted)
Data can be specified in the form of algebraic formula, but parenthesize the formula when using "+ ",
"
" x " or "-r" instruction.
Ex.
(5 + 4 x 3 )
l
Data
l
(SIN A+ LN2) x 5 S
Frequency of data 1
Frequency of data 5
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