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population covariance
释义
population covariance
population covariance
[
‚päp·yə′lā·shən kō′ver·ē·əns
]
(statistics)
The number (1/
N
)[(
v
1
-v̄)· (
w
1
- w̄) + ⋯ + (
v
N
- v̄)(
w
N
- w̄)], where
v
i
and
w
i
,
i
= 1, 2, …,
N
, are the values obtained from two populations, and
v̄
and
w̄
are the respective means.
随便看
nlrp8
nlrp9
nlrpd
nlrr
nlrrc
nlrs
nlrsd
nlrss
nls
nls1
nlsa
nlsah
nlsapi
nlsb
nlsba
nls/bph
nlsbph
nlsbs
nlsc
nlscc
nlsce
nl-scf
nlscy
nlsd
nlsdi
英语词典包含2567994条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。
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更新时间:2026/9/28 15:54:52