Question

Can the covariance of X and Y be larger than the variance of X?

score 248 · Answer 1 · 2026-03-28 01:08:36

248

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Can the covariance of X and Y be larger than the variance of X?

Published on 28 Mar 2026 - 1:08

score 250 · Answer 2 · 2020-04-15 00:19:57

250

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Calculating Covariance of Deck of Cards

Published on 15 Apr 2020 - 0:19

score 940 · Answer 3 · 2026-03-29 12:05:22

940

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Covariance of functions of uniform random variables $X$, $Y$ ~ $\text{Uniform}(0,1)$

Published on 29 Mar 2026 - 12:05

score 343 · Answer 4 · 2026-03-28 07:51:36

343

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MAP Estimation of Covariance Matrix of a Multivariate Normal Distribution

Published on 28 Mar 2026 - 7:51

score 666 · Answer 5 · 2026-03-29 22:33:09

666

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Finding the covariance of coordinates of a circle.

Published on 29 Mar 2026 - 22:33

score 69 · Answer 6 · 2020-04-18 15:19:46

69

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Prove that, $E[\operatorname{Cov}(X,Y|Z)]+\operatorname{Cov}(E[X|Z],E[Y|Z])=\operatorname{Cov}(X,Y)$

Published on 18 Apr 2020 - 15:19

score 108 · Answer 7 · 2020-04-18 20:01:54

108

Views

Decomposition of the covariance matrix over two orthogonal subspaces

Published on 18 Apr 2020 - 20:01

score 80 · Answer 8 · 2026-03-29 22:31:45

80

Views

Calculating the variance of the sum of two correlated variables

Published on 29 Mar 2026 - 22:31

score 139 · Answer 9 · 2026-03-27 12:03:03

139

Views

Covariance of stochastic integrals - Poisson stochastic process -

Published on 27 Mar 2026 - 12:03

score 86 · Answer 10 · 2020-04-21 21:46:58

86

Views

Is this true: $\operatorname{Cov}(X,Y)=\operatorname{Cov}(E[X|Y],Y)$? Covariance of variables versus conditional expectations?

Published on 21 Apr 2020 - 21:46

score 91 · Answer 11 · 2026-03-27 02:37:31

91

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Covariance of Function of Antithetic Random Variables

Published on 27 Mar 2026 - 2:37

score 37 · Answer 12 · 2026-03-28 08:10:37

37

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How to find the coefficient of correlation

Published on 28 Mar 2026 - 8:10

score 304 · Answer 13 · 2020-04-25 12:57:42

304

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Covariance of random variable and absolute of the same random variable

Published on 25 Apr 2020 - 12:57

score 172 · Answer 14 · 2026-03-30 08:07:39

172

Views

Making sense of covariance of space-time white noise as a product of delta distributions

Published on 30 Mar 2026 - 8:07

score 80 · Answer 15 · 2020-04-29 12:35:36

80

Views

How to calculate the covariance of a matrix?

Published on 29 Apr 2020 - 12:35

List Question

Can the covariance of X and Y be larger than the variance of X?

Calculating Covariance of Deck of Cards

Covariance of functions of uniform random variables $X$, $Y$ ~ $\text{Uniform}(0,1)$

MAP Estimation of Covariance Matrix of a Multivariate Normal Distribution

Finding the covariance of coordinates of a circle.

Prove that, $E[\operatorname{Cov}(X,Y|Z)]+\operatorname{Cov}(E[X|Z],E[Y|Z])=\operatorname{Cov}(X,Y)$

Decomposition of the covariance matrix over two orthogonal subspaces

Calculating the variance of the sum of two correlated variables

Covariance of stochastic integrals - Poisson stochastic process -

Is this true: $\operatorname{Cov}(X,Y)=\operatorname{Cov}(E[X|Y],Y)$? Covariance of variables versus conditional expectations?

Covariance of Function of Antithetic Random Variables

How to find the coefficient of correlation

Covariance of random variable and absolute of the same random variable

Making sense of covariance of space-time white noise as a product of delta distributions

How to calculate the covariance of a matrix?

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