contraharmonic mean
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Contents
1
English
1.1
Noun
1.1.1
Translations
1.2
See also
English
Noun
contraharmonic
mean
(
plural
contraharmonic means
)
(
mathematics
)
A type of
average
calculated as the
arithmetic mean
of the
squares
of the values divided by the arithmetic mean of the values, ie.
C
=
(
x
1
2
+
x
2
2
+
.
.
.
+
x
n
2
)
n
(
x
1
+
x
2
+
.
.
.
+
x
n
)
n
o
r
C
(
x
1
,
x
2
,
.
.
.
,
x
n
)
=
x
1
2
+
x
2
2
+
.
.
.
+
x
n
2
x
1
+
x
2
+
.
.
.
+
x
n
{\displaystyle C={{(x_{1}^{2}+x_{2}^{2}+...+x_{n}^{2}) \over n} \over {(x_{1}+x_{2}+...+x_{n}) \over n}}\ or\ C(x_{1},x_{2},...,x_{n})={{x_{1}^{2}+x_{2}^{2}+...+x_{n}^{2}} \over {x_{1}+x_{2}+...+x_{n}}}}
Translations
type of average
Finnish:
kontraharmoninen keskiarvo
(
deprecated template usage
)
{{
trans-mid
}}
Serbo-Croatian:
kontraharmonijska sredina
f
See also
arithmetic mean
centroidal mean
harmonic mean
heronian mean
geometric mean
quadratic mean
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en:Mathematics
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