List questions from variance

Published on 25 Apr 2021 - 20:03

49

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Probaility Distribution of Number of BW/ WB Pairs picked from a sample of Black and White Balls

Published on 26 Apr 2021 - 14:58

102

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Deriving formula for variance

Published on 02 Apr 2026 - 11:10

100

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$Z_i=X_i-Y_i$ with $X_i$ and $Y_i$ independent and exponentially distributed

Published on 01 Apr 2026 - 1:37

29

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What would be the correct way to average standard scores in order to account for variance?

Published on 27 Apr 2021 - 20:44

407

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Finding the variance of MLE and comparing to MOM from a gamma distribution.

Published on 03 Apr 2026 - 3:21

318

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Find E(X) and Var(X)

Published on 01 Apr 2026 - 20:21

49

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Statistics: Rao-Cramer Lower Bound

Published on 29 Apr 2021 - 21:20

61

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Variance, covariance in joint probability function?

Published on 29 Apr 2021 - 22:25

119

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find the variance of the MLE of $\tau(\lambda)=1/\lambda, X_1,...,X_n \sim_{\text{iid}} \operatorname{Pois}(\lambda)$

Published on 31 Mar 2026 - 20:07

562

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Show that $E^2(XY) \leq E(X^2)E(Y^2)$.

Published on 30 Apr 2021 - 19:29

33

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Constructing a confidence interval question

Published on 26 Feb 2026 - 4:00

26

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Stationarity of a process

Published on 27 Mar 2026 - 14:10

70

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Approximating the average of a list consisting of real numbers

Published on 02 Apr 2026 - 23:44

84

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variance of a sum of independent identical random variables

Published on 02 May 2021 - 20:59

List Question

Cross covariance matrix and permutations

Probaility Distribution of Number of BW/ WB Pairs picked from a sample of Black and White Balls

Deriving formula for variance

$Z_i=X_i-Y_i$ with $X_i$ and $Y_i$ independent and exponentially distributed

What would be the correct way to average standard scores in order to account for variance?

Finding the variance of MLE and comparing to MOM from a gamma distribution.

Find E(X) and Var(X)

Statistics: Rao-Cramer Lower Bound

Variance, covariance in joint probability function?

find the variance of the MLE of $\tau(\lambda)=1/\lambda, X_1,...,X_n \sim_{\text{iid}} \operatorname{Pois}(\lambda)$

Show that $E^2(XY) \leq E(X^2)E(Y^2)$.

Constructing a confidence interval question

Stationarity of a process

Approximating the average of a list consisting of real numbers

variance of a sum of independent identical random variables

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