Question

What is the PDF of this scaled non-central chi-squared random variable and what is the result of its integral?

score 303 · Answer 1 · 2026-04-29 12:54:28

303

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What is the PDF of this scaled non-central chi-squared random variable and what is the result of its integral?

Published on 29 Apr 2026 - 12:54

score 822 · Answer 2 · 2026-05-10 12:32:14

822

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How can we write a non-central chi-squared distribution as gamma distribution?

Published on 10 May 2026 - 12:32

score 984 · Answer 3 · 2026-05-10 15:41:43

984

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Chi Square Contingency Table - Formula Derivation

Published on 10 May 2026 - 15:41

score 86 · Answer 4 · 2026-04-15 12:45:40

86

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Distribution of $2k \frac{Z^2}{\sum_{i=1}^k Y_i}$, where $Z \sim \operatorname{N}(0,1)$ and $Y \sim \operatorname{EXP}(2)$

Published on 15 Apr 2026 - 12:45

score 49 · Answer 5 · 2026-04-12 06:11:36

49

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$\chi^2$ test for comparison of distributions

Published on 12 Apr 2026 - 6:11

score 258 · Answer 6 · 2026-04-09 19:49:07

258

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statistical proof chi squared distribution

Published on 09 Apr 2026 - 19:49

score 83 · Answer 7 · 2026-04-11 03:41:30

83

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Probability of supreme of chi-squared distribution

Published on 11 Apr 2026 - 3:41

score 669 · Answer 8 · 2026-04-14 18:19:42

669

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Prove when n=2, the sample variance follows the chi square distribution with 1 degrees of freedom

Published on 14 Apr 2026 - 18:19

score 103 · Answer 9 · 2026-04-11 20:34:02

103

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Whether to use chi square independence test?

Published on 11 Apr 2026 - 20:34

score 222 · Answer 10 · 2026-04-12 22:30:15

222

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Upper and Lower Bounds on a Chi Distributed Random Variable

Published on 12 Apr 2026 - 22:30

score 764 · Answer 11 · 2026-05-10 12:55:38

764

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Constant concentration for chi square variables

Published on 10 May 2026 - 12:55

score 193 · Answer 12 · 2026-05-10 15:41:12

193

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Chi-Square Test Statistic Help

Published on 10 May 2026 - 15:41

score 686 · Answer 13 · 2026-04-15 22:56:19

686

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Derivative of chi-squared function w.r.t. parameter vector

Published on 15 Apr 2026 - 22:56

score 1k · Answer 14 · 2026-04-14 21:04:12

1k

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$X$ normally distributed, then $X^T \Sigma ^{-1} X$ follows chi square distribution.

Published on 14 Apr 2026 - 21:04

score 351 · Answer 15 · 2026-04-13 20:23:00

351

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What is the variance of the square of a normal dataset with non-zero mean?

Published on 13 Apr 2026 - 20:23

List Question

What is the PDF of this scaled non-central chi-squared random variable and what is the result of its integral?

How can we write a non-central chi-squared distribution as gamma distribution?

Chi Square Contingency Table - Formula Derivation

Distribution of $2k \frac{Z^2}{\sum_{i=1}^k Y_i}$, where $Z \sim \operatorname{N}(0,1)$ and $Y \sim \operatorname{EXP}(2)$

$\chi^2$ test for comparison of distributions

statistical proof chi squared distribution

Probability of supreme of chi-squared distribution

Prove when n=2, the sample variance follows the chi square distribution with 1 degrees of freedom

Whether to use chi square independence test?

Upper and Lower Bounds on a Chi Distributed Random Variable

Constant concentration for chi square variables

Chi-Square Test Statistic Help

Derivative of chi-squared function w.r.t. parameter vector

$X$ normally distributed, then $X^T \Sigma ^{-1} X$ follows chi square distribution.

What is the variance of the square of a normal dataset with non-zero mean?

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