List questions from variance

57

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If the coefficient of determination is a measure based on variance, then what about standard deviation instead?

Published on 27 Mar 2026 - 16:26

725

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Variance of number of distinct values in a collection of iid discrete random variables

Published on 27 Mar 2026 - 4:38

47

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Estimator vs real probability - what is the standard deviation?

Published on 28 Mar 2026 - 5:21

57

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factory short sticks length - probabilty question

Published on 27 Mar 2026 - 6:13

433

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Deriving the asymptotic distribution

Published on 17 Nov 2019 - 18:57

55

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How do you go from $E[X]$ equation to $Var(x)$ equation in the picture?

Published on 19 Nov 2019 - 2:40

7.5k

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When to use Pooled Variance?

Published on 27 Mar 2026 - 2:21

49

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Random variable and distribution

Published on 20 Nov 2019 - 14:48

52

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Variance Matrix Estimation

Published on 22 Nov 2019 - 18:45

747

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Calculation of $\sum xf(x)$ given $\sum f(x)$?

Published on 24 Nov 2019 - 0:19

646

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Mean and Variance of an Ito Stochastic Integral

Published on 27 Mar 2026 - 20:31

26

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Variance of a Sum of $n$ Variables

Published on 27 Mar 2026 - 16:26

238

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Suppose you roll three fair six-sided dice. Compute the expected value of the product of rolls.

Published on 26 Nov 2019 - 7:22

821

Views

Intuition on Minimizing Squared Distance

Published on 29 Nov 2019 - 2:10

5.7k

Views

What does entropy capture that variance does not?

Published on 27 Mar 2026 - 1:43

List Question

If the coefficient of determination is a measure based on variance, then what about standard deviation instead?

Variance of number of distinct values in a collection of iid discrete random variables

Estimator vs real probability - what is the standard deviation?

factory short sticks length - probabilty question

Deriving the asymptotic distribution

How do you go from $E[X]$ equation to $Var(x)$ equation in the picture?

When to use Pooled Variance?

Random variable and distribution

Variance Matrix Estimation

Calculation of $\sum xf(x)$ given $\sum f(x)$?

Mean and Variance of an Ito Stochastic Integral

Variance of a Sum of $n$ Variables

Suppose you roll three fair six-sided dice. Compute the expected value of the product of rolls.

Intuition on Minimizing Squared Distance

What does entropy capture that variance does not?

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