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单词
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
dppe-efa
dppf
dppg
dpph
dpp hasmi
dpphr
dpp-i
dppi
dpp ii
dppii
dpp iii
dppiii
dpp iv
dppiv
dpp ix
dppj
dppk
dppkd
dppl
dppm
dppn
dppni
dppo
dppoa
dppos
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更新时间:2026/4/20 9:34:28