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12 votes

How to show that $E|X-\mu| \leq E|X-Y|$?

probability self-study expected-value asked Dec 26, 2020 at 21:50
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10 votes

Use R to generate random positive definite matrix with zero constraints

r matrix asked Oct 5, 2021 at 0:35
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9 votes

an upper bound of mean absolute difference?

probability self-study expected-value mean-absolute-deviation asked Oct 23, 2020 at 5:31
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7 votes

What is the median of Bernoulli distribution?

probability self-study median asked Oct 21, 2020 at 15:43
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7 votes

Joint distribution of $Y$ and $S^2-Y^2$

probability distributions self-study normal-distribution joint-distribution asked Feb 16, 2021 at 6:20
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7 votes

Find a minimal sufficient statistic for $U(\theta,\theta+c)$, where $(\theta,c)$ unknown.

statistics statistical-inference uniform-distribution asked Jan 6, 2021 at 16:35
math.stackexchange.com

6 votes

Which $\mu$ hold so that integral of CDF (from $\mu$ to $\infty$) equals to integral of 1-CDF (from $-\infty$ to $\mu$)?

cdf integral asked Oct 16, 2020 at 18:12
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6 votes

2-dimensional minimal sufficient statistic for $U(-k\theta+k,k\theta+k)$

self-study mathematical-statistics uniform sufficient-statistics asked Jan 5, 2021 at 0:32
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6 votes

Proving the nonexistence of UMVUE for $\text{Unif}\{\theta-1, \theta, \theta+1\}$

self-study umvue asked Jan 25, 2021 at 18:31
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6 votes

$X\sim\frac{1}{b}\exp\{-\frac{1}{b}(x-a)\},x>a$. Find UMVUE of $\frac{a}{b}$

self-study exponential-distribution umvue asked Jan 25, 2021 at 23:46
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