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sample mean
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Contents
1
English
1.1
Noun
1.1.1
Related terms
1.1.2
Translations
English
edit
English
Wikipedia
has an article on:
sample mean and sample covariance
Wikipedia
Noun
edit
sample
mean
(
plural
sample means
)
(
statistics
)
Given a
random sample
x
1
,
…
,
x
N
{\displaystyle \textstyle \mathbf {x} _{1},\ldots ,\mathbf {x} _{N}}
from an
n
{\displaystyle \textstyle n}
-
dimensional
random variable
X
{\displaystyle \textstyle \mathbf {X} }
, a mean defined as
x
¯
=
1
N
∑
k
=
1
N
x
k
.
{\displaystyle \mathbf {\bar {x}} ={\frac {1}{N}}\sum _{k=1}^{N}\mathbf {x} _{k}.}
Related terms
edit
population mean
Translations
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mean
Czech:
výběrový průměr
m
Finnish:
otoskeskiarvo