tangent
Not Supported
E
[
σ
^
2
]
=
n
-
1
n
σ
2
Search
Returned 95 matches (100 formulae, 77 docs)
Lookup 11.058 ms, Re-ranking 157.061 ms
Found 271069 tuple postings, 134908 formulae, 19539 documents
[ formulas ]
[ documents ]
[ documents-by-formula ]
E
[
σ
^
2
]
=
n
-
1
n
σ
2
Doc 1
1.0000, 0.0000, 12.0000, 1.0000
testing/wikipedia/v3/14318.html
E
[
σ
^
2
]
=
n
-
1
n
σ
2
.
Doc 2
1.0000, -1.0000, 12.0000, 1.3883
testing/wikipedia/v3/02276.html
E
[
𝚺
^
]
=
n
-
1
n
𝚺
.
Doc 3
0.8257, -2.0000, 8.0000, 0.8257
testing/wikipedia/v3/01588.html
E
[
s
biased
2
]
=
σ
2
-
σ
2
n
=
n
-
1
n
σ
2
Doc 4
0.6512, -13.0000, 8.0000, 1.5157
testing/wikipedia/v3/17952.html
E
σ
^
2
=
n
-
p
n
σ
2
Doc 5
0.5638, -4.0000, 7.0000, 0.8638
testing/wikipedia/v3/24401.html
MSE
(
S
n
2
)
=
E
(
(
S
n
2
-
σ
2
)
2
)
=
2
n
-
1
n
2
σ
4
Doc 6
0.5109, -18.0000, 5.0000, 1.3219
testing/wikipedia/v3/02900.html
MSE
(
S
n
-
1
2
)
=
E
(
(
S
n
-
1
2
-
σ
2
)
2
)
=
2
n
-
1
σ
4
Doc 6
0.5109, -18.0000, 5.0000, 1.3219
testing/wikipedia/v3/02900.html
i
=
1
-
n
-
1
n
α
Doc 7
0.4762, -4.0000, 5.0000, 0.4762
testing/wikipedia/v3/06402.html
Var
[
x
¯
]
=
σ
2
n
γ
2
Doc 8
0.4762, -5.0000, 4.0000, 0.4762
testing/wikipedia/v3/16686.html
V
=
n
d
-
1
n
F
-
n
C
Doc 10
0.4762, -6.0000, 6.0000, 0.4762
testing/wikipedia/v3/01613.html
V
=
n
yellow
-
1
n
blue
-
n
red
Doc 9
0.4762, -6.0000, 6.0000, 0.8972
testing/wikipedia/v3/00892.html
s
unbiased
2
=
n
n
-
1
s
biased
2
Doc 4
0.6512, -13.0000, 8.0000, 1.5157
testing/wikipedia/v3/17952.html
var
(
T
)
=
2
(
σ
2
)
2
n
.
Doc 11
0.4762, -6.0000, 3.0000, 0.8972
testing/wikipedia/v3/05670.html
V
d
=
n
d
-
1
n
F
-
n
C
Doc 12
0.4762, -7.0000, 6.0000, 0.4762
testing/wikipedia/v3/00060.html
s
n
2
=
n
′
n
′
-
1
σ
n
2
Doc 13
0.4762, -8.0000, 6.0000, 0.6867
testing/wikipedia/v3/00940.html
E
[
(
X
¯
-
μ
)
2
]
=
1
n
σ
2
.
Doc 14
0.4762, -8.0000, 5.0000, 0.7762
testing/wikipedia/v3/15840.html
Var
(
X
¯
)
=
σ
2
n
+
n
-
1
n
ρ
σ
2
.
Doc 15
0.4762, -13.0000, 5.0000, 0.4762
testing/wikipedia/v3/01076.html
σ
P
2
=
1
n
σ
i
2
+
n
-
1
n
σ
¯
i
j
Doc 16
0.4762, -14.0000, 6.0000, 0.4762
testing/wikipedia/v3/13485.html
1
(
m
-
1
)
n
E
(
S
S
B
)
=
σ
2
n
+
τ
2
.
Doc 17
0.4762, -15.0000, 4.0000, 0.4762
testing/wikipedia/v3/14858.html
𝒩
α
=
3
n
2
-
1
n
2
+
2
Doc 18
0.4211, -7.0000, 5.0000, 0.4211
testing/wikipedia/v3/06667.html
M
2
′
=
M
2
+
δ
2
n
-
1
n
Doc 19
0.4211, -8.0000, 5.0000, 0.6316
testing/wikipedia/v3/00018.html
σ
2
(⟨
A
⟩)
=
1
M
σ
2
(
A
)
,
Doc 20
0.4211, -8.0000, 4.0000, 0.4211
testing/wikipedia/v3/16264.html
A
=
M
ρ
n
2
-
1
n
2
+
2
,
Doc 9
0.4762, -6.0000, 6.0000, 0.8972
testing/wikipedia/v3/00892.html
A
=
R
T
p
n
2
-
1
n
2
+
2
Doc 21
0.4211, -9.0000, 5.0000, 0.4211
testing/wikipedia/v3/06652.html
∑
k
=
1
n
-
1
csc
2
π
k
n
=
n
2
-
1
3
Doc 22
0.4211, -14.0000, 5.0000, 0.4211
testing/wikipedia/v3/22680.html
n
-
1
n
Doc 23
0.3883, 0.0000, 5.0000, 0.6883
testing/wikipedia/v3/11317.html
E
[
δ
i
2
]
=
σ
2
Doc 2
1.0000, -1.0000, 12.0000, 1.3883
testing/wikipedia/v3/02276.html
E
[
x
2
]
=
μ
2
+
σ
2
Doc 4
0.6512, -13.0000, 8.0000, 1.5157
testing/wikipedia/v3/17952.html
△
=
n
1
-
n
2
n
1
≪
1
Doc 24
0.3883, -7.0000, 5.0000, 0.3883
testing/wikipedia/v3/01343.html
(
n
2
)
=
1
2
n
(
n
-
1
)
Doc 25
0.3883, -7.0000, 2.0000, 0.3883
testing/wikipedia/v3/01083.html
Doc 26
0.3883, -7.0000, 2.0000, 0.3883
testing/wikipedia/v3/00183.html
n
2
-
1
n
2
+
2
=
4
π
3
N
α
,
Doc 27
0.3883, -12.0000, 5.0000, 0.3883
testing/wikipedia/v3/06665.html
N
(
N
2
-
1
)
6
=
n
n
-
1
N
D
e
Doc 28
0.3883, -12.0000, 4.0000, 0.3883
testing/wikipedia/v3/24688.html
sin
θ
c
=
n
2
n
1
Doc 29
0.3297, -4.0000, 4.0000, 0.3297
testing/wikipedia/v3/28132.html
μ
2
=
4
-
π
2
σ
2
Doc 30
0.3297, -5.0000, 5.0000, 0.3297
testing/wikipedia/v3/09442.html
P
(
X
≥
1
)
≤
σ
2
1
+
σ
2
Doc 31
0.3297, -8.0000, 1.0000, 1.1684
testing/wikipedia/v3/02449.html
2
n
σ
2
Doc 6
0.5109, -18.0000, 5.0000, 1.3219
testing/wikipedia/v3/02900.html
n
-
1
2
Doc 32
0.3000, -1.0000, 4.0000, 0.3000
testing/wikipedia/v3/08971.html
n
-
1
2
n
Doc 23
0.3883, 0.0000, 5.0000, 0.6883
testing/wikipedia/v3/11317.html
n
-
1
2
Doc 33
0.3000, -2.0000, 4.0000, 0.5105
testing/wikipedia/v3/07051.html
⌊
n
-
1
2
⌋
Doc 34
0.3000, -3.0000, 4.0000, 0.3000
testing/wikipedia/v3/12719.html
λ
=
1
2
σ
2
θ
Doc 35
0.3000, -4.0000, 4.0000, 0.5105
testing/wikipedia/v3/24275.html
e
=
n
r
n
-
1
.
Doc 36
0.3000, -5.0000, 4.0000, 0.5105
testing/wikipedia/v3/11873.html
ε
2
′′
=
1
E
σ
2
Doc 37
0.3000, -5.0000, 3.0000, 0.3000
testing/wikipedia/v3/03179.html
p
(
σ
2
)
∝
1
/
σ
2
Doc 14
0.4762, -8.0000, 5.0000, 0.7762
testing/wikipedia/v3/15840.html
δ
=
σ
ε
2
σ
η
2
.
Doc 39
0.3000, -6.0000, 2.0000, 0.3000
testing/wikipedia/v3/03430.html
SNR
=
σ
signal
2
σ
noise
2
.
Doc 38
0.3000, -6.0000, 2.0000, 0.3000
testing/wikipedia/v3/01336.html
(
n
-
1
)
!
=
n
!
n
.
Doc 41
0.3000, -7.0000, 4.0000, 0.3000
testing/wikipedia/v3/00378.html
P
1
=
n
2
n
1
+
n
2
Doc 40
0.3000, -7.0000, 4.0000, 0.6000
testing/wikipedia/v3/04921.html
P
2
=
n
1
n
1
+
n
2
Doc 40
0.3000, -7.0000, 4.0000, 0.6000
testing/wikipedia/v3/04921.html
(
n
2
)
=
n
(
n
-
1
)
2
Doc 43
0.3000, -7.0000, 3.0000, 0.3000
testing/wikipedia/v3/01739.html
m
=
n
(
n
-
1
)
2
ln
n
Doc 42
0.3000, -7.0000, 3.0000, 0.3000
testing/wikipedia/v3/05199.html
ρ
X
X
=
σ
T
2
σ
X
2
Doc 44
0.3000, -7.0000, 2.0000, 0.3000
testing/wikipedia/v3/04423.html
α
=
1
∑
i
σ
i
2
σ
1
2
Doc 45
0.3000, -8.0000, 4.0000, 0.3000
testing/wikipedia/v3/02282.html
σ
+
2
=
σ
-
2
=
1
2
σ
2
Doc 31
0.3297, -8.0000, 1.0000, 1.1684
testing/wikipedia/v3/02449.html
⟨
W
W
Z
B
n
⟩
≤
2
n
-
1
2
Doc 46
0.3000, -10.0000, 4.0000, 0.3000
testing/wikipedia/v3/07057.html
S
n
-
1
=
n
2
π
S
n
-
1
+
2
Doc 47
0.3000, -11.0000, 3.0000, 0.3000
testing/wikipedia/v3/01197.html
S
N
=
S
1
n
σ
2
=
n
S
σ
Doc 48
0.3000, -14.0000, 4.0000, 0.3000
testing/wikipedia/v3/24037.html
R
=
n
(
n
-
1
)
α
2
=
2
n
n
-
2
Λ
.
Doc 49
0.3000, -15.0000, 3.0000, 0.3000
testing/wikipedia/v3/03799.html
n
σ
2
σ
^
2
|
X
=
(
ε
/
σ
)
′
M
(
ε
/
σ
)
∼
χ
n
-
p
2
Doc 5
0.5638, -4.0000, 7.0000, 0.8638
testing/wikipedia/v3/24401.html
1
2
σ
2
Doc 50
0.2105, -2.0000, 3.0000, 0.4211
testing/wikipedia/v3/02246.html
n
n
-
1
Doc 51
0.2105, -2.0000, 3.0000, 0.2105
testing/wikipedia/v3/08541.html
n
n
-
1
,
Doc 54
0.2105, -3.0000, 3.0000, 0.2105
testing/wikipedia/v3/04352.html
n
2
-
n
2
Doc 53
0.2105, -3.0000, 3.0000, 0.2105
testing/wikipedia/v3/09635.html
Doc 55
0.2105, -3.0000, 3.0000, 0.2105
testing/wikipedia/v3/15050.html
n
(
n
-
1
)
Doc 52
0.2105, -3.0000, 3.0000, 0.4211
testing/wikipedia/v3/01088.html
e
σ
2
-
1
Doc 56
0.2105, -3.0000, 2.0000, 0.4211
testing/wikipedia/v3/02206.html
F
=
r
n
-
1
Doc 36
0.3000, -5.0000, 4.0000, 0.5105
testing/wikipedia/v3/11873.html
2
2
n
-
1
-
n
Doc 57
0.2105, -4.0000, 3.0000, 0.2105
testing/wikipedia/v3/08819.html
e
-
1
2
σ
2
Doc 56
0.2105, -3.0000, 2.0000, 0.4211
testing/wikipedia/v3/02206.html
2
n
(
n
-
1
)
2
Doc 58
0.2105, -5.0000, 3.0000, 0.2105
testing/wikipedia/v3/26681.html
n
2
(
n
-
1
)
Doc 33
0.3000, -2.0000, 4.0000, 0.5105
testing/wikipedia/v3/07051.html
V
θ
=
2
n
-
1
Doc 59
0.2105, -5.0000, 3.0000, 0.2105
testing/wikipedia/v3/27573.html
n
2
(
σ
2
)
2
.
Doc 11
0.4762, -6.0000, 3.0000, 0.8972
testing/wikipedia/v3/05670.html
e
-
1
2
σ
2
ϵ
t
Doc 35
0.3000, -4.0000, 4.0000, 0.5105
testing/wikipedia/v3/24275.html
x
<
(
n
n
-
1
)
b
Doc 60
0.2105, -6.0000, 3.0000, 0.2105
testing/wikipedia/v3/14387.html
c
=
n
(
n
-
1
)
2
.
Doc 62
0.2105, -7.0000, 3.0000, 0.2105
testing/wikipedia/v3/01305.html
s
n
2
=
Q
n
n
-
1
Doc 13
0.4762, -8.0000, 6.0000, 0.6867
testing/wikipedia/v3/00940.html
0.25
n
2
n
(
n
-
1
)
.
Doc 61
0.2105, -7.0000, 3.0000, 0.2105
testing/wikipedia/v3/09721.html
(
r
±
1
2
σ
2
)
τ
,
Doc 50
0.2105, -2.0000, 3.0000, 0.4211
testing/wikipedia/v3/02246.html
κ
σ
=
e
-
1
2
σ
2
Doc 63
0.2105, -7.0000, 3.0000, 0.2105
testing/wikipedia/v3/02764.html
σ
x
¯
2
=
σ
0
2
n
Doc 52
0.2105, -3.0000, 3.0000, 0.4211
testing/wikipedia/v3/01088.html
2
y
=
x
2
σ
2
-
σ
2
Doc 64
0.2105, -8.0000, 2.0000, 0.2105
testing/wikipedia/v3/04767.html
Doc 65
0.2105, -8.0000, 2.0000, 0.2105
testing/wikipedia/v3/13744.html
s
n
2
=
M
2
,
n
n
-
1
Doc 19
0.4211, -8.0000, 5.0000, 0.6316
testing/wikipedia/v3/00018.html
n
σ
^
2
σ
2
∼
χ
n
-
1
2
Doc 66
0.2105, -9.0000, 3.0000, 0.2105
testing/wikipedia/v3/05628.html
V
=
(
n
-
1
)
S
n
2
σ
2
Doc 67
0.2105, -9.0000, 3.0000, 0.2105
testing/wikipedia/v3/02222.html
1
n
2
n
σ
2
=
σ
2
n
.
Doc 68
0.2105, -10.0000, 3.0000, 0.2105
testing/wikipedia/v3/05528.html
l
=
n
(
n
-
1
)
2
=
(
n
2
)
Doc 69
0.2105, -10.0000, 3.0000, 0.2105
testing/wikipedia/v3/15479.html
σ
+
2
=
∑
(
x
-
m
)
2
n
-
1
Doc 31
0.3297, -8.0000, 1.0000, 1.1684
testing/wikipedia/v3/02449.html
σ
-
2
=
∑
(
m
-
x
)
2
n
-
1
Doc 31
0.3297, -8.0000, 1.0000, 1.1684
testing/wikipedia/v3/02449.html
σ
^
2
=
∑
(
X
i
-
X
¯
)
2
n
-
1
,
Doc 70
0.2105, -13.0000, 3.0000, 0.2105
testing/wikipedia/v3/15459.html
σ
^
2
=
1
n
-
m
∑
j
=
1
n
ε
^
j
2
.
Doc 71
0.2105, -14.0000, 3.0000, 0.2105
testing/wikipedia/v3/05815.html
γ
2
=
2
σ
2
(
1
-
μ
σ
γ
1
-
σ
2
)
Doc 72
0.2105, -14.0000, 2.0000, 0.2105
testing/wikipedia/v3/09559.html
(
1
-
n
n
+
2
)
σ
2
=
2
σ
2
n
+
2
Doc 11
0.4762, -6.0000, 3.0000, 0.8972
testing/wikipedia/v3/05670.html
H
1
:
σ
2
=
σ
1
2
Doc 73
0.1333, -6.0000, 2.0000, 0.2510
testing/wikipedia/v3/06198.html
n
2
-
1
Doc 74
0.1176, -3.0000, 2.0000, 0.1176
testing/wikipedia/v3/02024.html
n
p
2
-
1
Doc 75
0.1176, -4.0000, 2.0000, 0.1176
testing/wikipedia/v3/11094.html
σ
2
1
+
σ
2
Doc 31
0.3297, -8.0000, 1.0000, 1.1684
testing/wikipedia/v3/02449.html
σ
1
2
+
σ
2
2
Doc 76
0.1176, -5.0000, 2.0000, 0.2353
testing/wikipedia/v3/00697.html
σ
1
2
>
σ
0
2
Doc 73
0.1333, -6.0000, 2.0000, 0.2510
testing/wikipedia/v3/06198.html
θ
2
=
-
1
2
σ
2
Doc 76
0.1176, -5.0000, 2.0000, 0.2353
testing/wikipedia/v3/00697.html
(
1
σ
0
2
+
n
σ
2
)
-
1
Doc 77
0.1176, -11.0000, 2.0000, 0.1176
testing/wikipedia/v3/06709.html