Question

Why $\sum_{i=1}^n X_i \sim N(0,n)$ when $X \sim N(0,1)$

score 84 · Answer 1 · 2026-03-31 13:33:51

84

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Why $\sum_{i=1}^n X_i \sim N(0,n)$ when $X \sim N(0,1)$

Published on 31 Mar 2026 - 13:33

score 1.3k · Answer 2 · 2026-04-02 15:49:01

1.3k

Views

UMVUE for geometric

Published on 02 Apr 2026 - 15:49

score 38 · Answer 3 · 2026-03-29 15:14:40

38

Views

Framework for generating ranking information given incomplete information on preference and exposure

Published on 29 Mar 2026 - 15:14

score 238 · Answer 4 · 2026-04-04 00:18:00

238

Views

How to calculate variance of prediction of a statistical forecasting model?

Published on 04 Apr 2026 - 0:18

score 119 · Answer 5 · 2026-03-26 13:30:15

119

Views

What is the intuition behind loss functions in regression? Can I create one? What rules should I follow?

Published on 26 Mar 2026 - 13:30

score 167 · Answer 6 · 2017-08-25 20:12:26

167

Views

What's the difference --- Point estimate with 95% margin of error and 95% confidence interval

Published on 25 Aug 2017 - 20:12

score 4.5k · Answer 7 · 2026-03-29 15:41:17

4.5k

Views

Question about the objective function of Linear regression

Published on 29 Mar 2026 - 15:41

score 336 · Answer 8 · 2017-08-29 21:19:17

336

Views

joint probability of correlated normal random variables

Published on 29 Aug 2017 - 21:19

score 297 · Answer 9 · 2026-03-25 09:48:21

297

Views

Completeness of order statistics for normal setup

Published on 25 Mar 2026 - 9:48

score 32 · Answer 10 · 2017-09-01 04:21:29

32

Views

Statistical method of determining "better option" out of the two

Published on 01 Sep 2017 - 4:21

score 85 · Answer 11 · 2017-09-02 17:41:16

85

Views

Why is this probabilistic reasoning invalid?

Published on 02 Sep 2017 - 17:41

score 110 · Answer 12 · 2026-04-01 23:54:27

110

Views

Testing $ H_0: p_1 = \ldots = p_k $ with a sequence $ x_1, \ldots, x_k $ of realizations of $ X_1 \sim B(n_1, p_1), \ldots, X_k \sim B(n_k, p_k) $

Published on 01 Apr 2026 - 23:54

score 276 · Answer 13 · 2026-04-01 23:47:36

276

Views

Convolution of two binomial distribution

Published on 01 Apr 2026 - 23:47

score 27 · Answer 14 · 2026-02-25 14:43:53

27

Views

Estimating confidence interval based on sample where multiple replies are possible

Published on 25 Feb 2026 - 14:43

score 98 · Answer 15 · 2017-09-07 12:43:31

98

Views

convergence of function of Brownian motion

Published on 07 Sep 2017 - 12:43

List Question

Why $\sum_{i=1}^n X_i \sim N(0,n)$ when $X \sim N(0,1)$

UMVUE for geometric

Framework for generating ranking information given incomplete information on preference and exposure

How to calculate variance of prediction of a statistical forecasting model?

What is the intuition behind loss functions in regression? Can I create one? What rules should I follow?

What's the difference --- Point estimate with 95% margin of error and 95% confidence interval

Question about the objective function of Linear regression

joint probability of correlated normal random variables

Completeness of order statistics for normal setup

Statistical method of determining "better option" out of the two

Why is this probabilistic reasoning invalid?

Testing $ H_0: p_1 = \ldots = p_k $ with a sequence $ x_1, \ldots, x_k $ of realizations of $ X_1 \sim B(n_1, p_1), \ldots, X_k \sim B(n_k, p_k) $

Convolution of two binomial distribution

Estimating confidence interval based on sample where multiple replies are possible

convergence of function of Brownian motion

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