Question

Variance of mixed random variable

score 814 · Answer 1 · 2020-03-03 14:31:53

814

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Variance of mixed random variable

Published on 03 Mar 2020 - 14:31

score 112 · Answer 2 · 2020-03-04 03:42:00

112

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Variance of conditional discrete random variables in a loss distribution model

Published on 04 Mar 2020 - 3:42

score 56 · Answer 3 · 2020-03-04 20:31:52

56

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If $Y = \sum_{i=1}^nX_i$, how do I express $Var(\frac{1}{n}Y)$ as a function of $Var(X)$?

Published on 04 Mar 2020 - 20:31

score 52 · Answer 4 · 2020-03-05 13:11:48

52

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Negative variance from non-physical polynomial fit to physical data

Published on 05 Mar 2020 - 13:11

score 197 · Answer 5 · 2020-03-06 08:59:49

197

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Showing that $\mathrm{Var}(Y) \leq \mathrm{Var}(X)$

Published on 06 Mar 2020 - 8:59

score 122 · Answer 6 · 2026-03-25 10:21:51

122

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Compute variance of estimator of logarithm of random variable

Published on 25 Mar 2026 - 10:21

score 39 · Answer 7 · 2026-03-28 12:13:19

39

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Statistics: Variance/Coveriance/Tracking error Finance

Published on 28 Mar 2026 - 12:13

score 40 · Answer 8 · 2026-03-27 21:32:55

40

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Calculating the expected value $\mathrm{E}\left[X(X-1)\right]$ [basic general question]

Published on 27 Mar 2026 - 21:32

score 29 · Answer 9 · 2026-03-26 03:01:26

29

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Comparing variances of insurance models $I(x)=kx$ vs $I_d(x) = x-d , \quad x \in (d, 100)$- Need verification

Published on 26 Mar 2026 - 3:01

score 20 · Answer 10 · 2020-03-09 03:35:17

20

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Compute the variance of the random variable X measuring the distance between P1 and P2

Published on 09 Mar 2020 - 3:35

score 144 · Answer 11 · 2026-03-27 21:35:36

144

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Proving the expected value of a term of a negative binomial random variable

Published on 27 Mar 2026 - 21:35

score 294 · Answer 12 · 2020-03-09 14:24:04

294

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Can you combine the mean and variance of into a single value?

Published on 09 Mar 2020 - 14:24

score 68 · Answer 13 · 2026-03-25 22:06:26

68

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Upper bound for the variance of an output neuron of a neural network

Published on 25 Mar 2026 - 22:06

score 21 · Answer 14 · 2020-03-16 08:50:16

21

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How is the variance $X_k$ calculated in this problem?

Published on 16 Mar 2020 - 8:50

score 32 · Answer 15 · 2020-03-17 08:29:02

32

Views

Calculating $\mathbb E$ and $\mathbb V$ of a random variable.

Published on 17 Mar 2020 - 8:29

List Question

Variance of mixed random variable

Variance of conditional discrete random variables in a loss distribution model

If $Y = \sum_{i=1}^nX_i$, how do I express $Var(\frac{1}{n}Y)$ as a function of $Var(X)$?

Negative variance from non-physical polynomial fit to physical data

Showing that $\mathrm{Var}(Y) \leq \mathrm{Var}(X)$

Compute variance of estimator of logarithm of random variable

Statistics: Variance/Coveriance/Tracking error Finance

Calculating the expected value $\mathrm{E}\left[X(X-1)\right]$ [basic general question]

Comparing variances of insurance models $I(x)=kx$ vs $I_d(x) = x-d , \quad x \in (d, 100)$- Need verification

Compute the variance of the random variable X measuring the distance between P1 and P2

Proving the expected value of a term of a negative binomial random variable

Can you combine the mean and variance of into a single value?

Upper bound for the variance of an output neuron of a neural network

How is the variance $X_k$ calculated in this problem?

Calculating $\mathbb E$ and $\mathbb V$ of a random variable.

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