List questions from chi-squared

Published on 23 Feb 2026 - 13:43

464

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Mean of inverse of sum of squared standard normal variate

Published on 23 Feb 2021 - 9:26

188

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Distribution of product of normal random variables

Published on 24 Feb 2021 - 0:10

830

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Sum of squares of normal distribution

Published on 24 Feb 2021 - 9:08

226

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Proving that the $\chi^{2}$ Distribution is a PDF

Published on 25 Feb 2021 - 13:20

168

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How to prove that $X \sim N(\sqrt\theta,1)$,then $X^2\sim\chi^2_1(\theta)$.

Published on 02 Mar 2021 - 11:03

20

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How to calculate $\mathbb{E}\left[ \exp\left(C \sqrt{\sum_{i=1}^{n} X_i^2} \right) \right]$ with $X \sim \mathcal{N}(0, I_n)$?

Published on 05 Mar 2021 - 7:03

77

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Intuitive relationship between some members of the exponential family of distributions

Published on 10 Mar 2021 - 15:41

519

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Why scipy.stats.chi2_contingency computes incorrect Pearson's chi-squared statistic?

Published on 14 Mar 2021 - 10:32

472

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sample variance divided by variance is Chi Square

Published on 20 Mar 2021 - 16:18

1.1k

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Test if a 6-sided die is fair. How many degrees of freedom in the $\chi^2$ distribution?

Published on 20 Mar 2021 - 20:31

83

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Convergence in distribution to a chi-squared

Published on 22 Mar 2021 - 20:44

81

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Upper bounding a function of incomplete gamma function

Published on 29 Mar 2021 - 21:50

63

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Distribution of $Z=\sum_{i=1}^n c_i \sqrt{X_i}$

Published on 30 Mar 2021 - 6:32

157

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What is xl and xu in a chi square distribution

Published on 26 Feb 2026 - 2:39

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What test to use for antibiotics resistance?

Mean of inverse of sum of squared standard normal variate

Distribution of product of normal random variables

Sum of squares of normal distribution

Proving that the $\chi^{2}$ Distribution is a PDF

How to prove that $X \sim N(\sqrt\theta,1)$,then $X^2\sim\chi^2_1(\theta)$.

How to calculate $\mathbb{E}\left[ \exp\left(C \sqrt{\sum_{i=1}^{n} X_i^2} \right) \right]$ with $X \sim \mathcal{N}(0, I_n)$?

Intuitive relationship between some members of the exponential family of distributions

Why scipy.stats.chi2_contingency computes incorrect Pearson's chi-squared statistic?

sample variance divided by variance is Chi Square

Test if a 6-sided die is fair. How many degrees of freedom in the $\chi^2$ distribution?

Convergence in distribution to a chi-squared

Upper bounding a function of incomplete gamma function

Distribution of $Z=\sum_{i=1}^n c_i \sqrt{X_i}$

What is xl and xu in a chi square distribution

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