Question

Maximize the variance of sum of Bernoulli random variables

score 221 · Answer 1 · 2026-03-30 05:28:41

221

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Maximize the variance of sum of Bernoulli random variables

Published on 30 Mar 2026 - 5:28

score 27 · Answer 2 · 2026-04-01 14:00:46

27

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Variance of a dynamical system

Published on 01 Apr 2026 - 14:00

score 122 · Answer 3 · 2020-12-31 15:28:30

122

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Should the unbiased estimator of the variance of the sample proportion have (n-1) in the denominator?

Published on 31 Dec 2020 - 15:28

score 464 · Answer 4 · 2026-03-28 02:59:41

464

Views

Calculating conditional variance using two different methods

Published on 28 Mar 2026 - 2:59

score 826 · Answer 5 · 2026-03-28 03:02:25

826

Views

Calculating variance of a claim payment

Published on 28 Mar 2026 - 3:02

score 145 · Answer 6 · 2021-01-01 23:21:32

145

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Modify the covariance matrix of a vector to obtain a new vector with a given variance after matrix multiplication

Published on 01 Jan 2021 - 23:21

score 2.6k · Answer 7 · 2026-02-23 06:20:35

2.6k

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Variance-Covariance matrix for Weighted Least Squares

Published on 23 Feb 2026 - 6:20

score 41 · Answer 8 · 2021-01-06 06:00:46

41

Views

Die and coin variance of random variable question.

Published on 06 Jan 2021 - 6:00

score 650 · Answer 9 · 2021-01-07 13:25:26

650

Views

Variance of sum of two dependent Binomial random variables

Published on 07 Jan 2021 - 13:25

score 246 · Answer 10 · 2021-01-08 18:51:43

246

Views

What are examples of DISCRETE probability distributions (a) with a mean but no finite variance, (b) without a mean?

Published on 08 Jan 2021 - 18:51

score 24 · Answer 11 · 2021-01-08 20:55:26

24

Views

finding expected value and variance using conditional expected value and variance

Published on 08 Jan 2021 - 20:55

score 583 · Answer 12 · 2021-01-09 00:29:29

583

Views

You roll a fair, six-sided die as part of a game. If you roll a 5, you will win the game

Published on 09 Jan 2021 - 0:29

score 174 · Answer 13 · 2026-04-02 17:32:41

174

Views

Expected value and variance of estimator with a sum in the denominator

Published on 02 Apr 2026 - 17:32

score 37 · Answer 14 · 2026-03-30 08:54:23

37

Views

Hypothesis Test on variance in regression

Published on 30 Mar 2026 - 8:54

score 231 · Answer 15 · 2026-03-30 13:40:36

231

Views

Ito's Lemma: from $df$ to $df^2$ to get $\operatorname{Var}[df]$

Published on 30 Mar 2026 - 13:40

List Question

Maximize the variance of sum of Bernoulli random variables

Variance of a dynamical system

Should the unbiased estimator of the variance of the sample proportion have (n-1) in the denominator?

Calculating conditional variance using two different methods

Calculating variance of a claim payment

Modify the covariance matrix of a vector to obtain a new vector with a given variance after matrix multiplication

Variance-Covariance matrix for Weighted Least Squares

Die and coin variance of random variable question.

Variance of sum of two dependent Binomial random variables

What are examples of DISCRETE probability distributions (a) with a mean but no finite variance, (b) without a mean?

finding expected value and variance using conditional expected value and variance

You roll a fair, six-sided die as part of a game. If you roll a 5, you will win the game

Expected value and variance of estimator with a sum in the denominator

Hypothesis Test on variance in regression

Ito's Lemma: from $df$ to $df^2$ to get $\operatorname{Var}[df]$

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