User JerBear - Mathematics Stack Exchange

3 votes

2 answers

62 views

Question about Conditional Expectation from One Variable

asked Feb 3, 2021 at 0:37

1 vote

1 answer

76 views

Question about the support of two random variables

asked Sep 20, 2020 at 22:45

1 vote

1 answer

166 views

Differences in Two PDFs of the Exponential Distribution

asked Sep 25, 2020 at 18:07

1 vote

2 answers

38 views

Solving probability problem with given information that doesn't add up

asked Oct 28, 2020 at 22:50

1 vote

1 answer

72 views

Interpretation of probability distributions from a frequentist perspective

asked Dec 30, 2020 at 18:07

1 vote

2 answers

56 views

Finding $\mathbb{E}\left[\hat{\sigma}^2\right] = \frac{\sum_{i=1}^{n}{\left(\ln(x)-\mu\right)^2}}{n}$ where $X \sim \mathrm{LogNorm}$

asked May 3, 2021 at 18:36

1 vote

1 answer

59 views

$\mathrm{Var}\left(\frac{1}{n}\sum_{i=1}^{n}{(\ln(x)-\mu)^2}\right)$ where $x \sim \mathrm{LogNorm}(\mu, \sigma^2)$

asked May 3, 2021 at 19:51

1 vote

1 answer

84 views

For $\hat{\beta_{\mathrm{Ridge}}}$, where is the correct placement of $(X^TX+\lambda I)^{-1}$?

asked Nov 15, 2021 at 22:42

1 vote

1 answer

233 views

Difference between scalar sum and vector sum

asked Aug 26, 2022 at 16:13

1 vote

0 answers

54 views

Alternatives to Fuller’s (2009) Sampling Statistics

asked Sep 4, 2022 at 23:42

1 vote

1 answer

88 views

How is missing completely at random (MCAR) possible but missing at random (MAR) isn't?

asked Oct 24, 2022 at 3:12

0 votes

0 answers

23 views

Is the pursuit of asymptotic variance for a novel estimator always required even if the estimator itself is complicated?

asked Mar 20, 2023 at 19:50

0 votes

0 answers

50 views

Dependent events vs. independent events with varying probabilities of success

asked Apr 26, 2023 at 2:39

0 votes

1 answer

79 views

Is this proof of $\pi$’s uniformity correct?

asked May 9, 2023 at 19:28

0 votes

1 answer

61 views

Is non-nominal confidence interval coverage normal in practice?

asked Jul 24, 2023 at 2:16

0 votes

0 answers

48 views

I know $o(f) + o(g) = o(\max(f, g))$. What about $o_\text{P}(f) + o(g)$?

asked May 20 at 23:52

0 votes

1 answer

124 views

Deriving the probability of inclusion for a random stratified sample

asked Sep 9, 2022 at 2:40

0 votes

1 answer

41 views

How can I prove $(2\sum_{i}^{n}{x_i})^2 - 4(n\sum_{i=1}^{n}{x_i^2})$ is negative?

asked Nov 15, 2021 at 17:14

0 votes

0 answers

127 views

Question regarding addition and subtraction of separate indicator functions

asked Sep 18, 2020 at 23:53

0 votes

1 answer

138 views

Question on finding the joint cdf of two discrete distributions

asked Nov 2, 2020 at 20:34

0 votes

1 answer

31 views

Finding the expectation of two absolutely continuous variables that doesn't have a joint distribution

asked Nov 9, 2020 at 2:40

0 votes

1 answer

106 views

Finding $\hat{\theta}$ using the moment method, given $X \sim \mathrm{UNIF}(-\theta, \theta)$

asked Mar 25, 2021 at 20:00

0 votes

1 answer

202 views

Expectation of the sum of ln(x) squared

asked May 1, 2021 at 21:34

0 votes

1 answer

54 views

Trouble with inverse of a function

asked May 3, 2021 at 0:12

-1 votes

1 answer

81 views

ANOVA formulas not matching with correct answer

asked Dec 15, 2021 at 2:09

-1 votes

0 answers

20 views

Does the invariance property hold for consistent estimators within an indicator function? [closed]

asked Jul 2 at 22:09

Stack Exchange Network

26 Questions

Question about Conditional Expectation from One Variable

Question about the support of two random variables

Differences in Two PDFs of the Exponential Distribution

Solving probability problem with given information that doesn't add up

Interpretation of probability distributions from a frequentist perspective

Finding $\mathbb{E}\left[\hat{\sigma}^2\right] = \frac{\sum_{i=1}^{n}{\left(\ln(x)-\mu\right)^2}}{n}$ where $X \sim \mathrm{LogNorm}$

$\mathrm{Var}\left(\frac{1}{n}\sum_{i=1}^{n}{(\ln(x)-\mu)^2}\right)$ where $x \sim \mathrm{LogNorm}(\mu, \sigma^2)$

For $\hat{\beta_{\mathrm{Ridge}}}$, where is the correct placement of $(X^TX+\lambda I)^{-1}$?

Difference between scalar sum and vector sum

Alternatives to Fuller’s (2009) Sampling Statistics

How is missing completely at random (MCAR) possible but missing at random (MAR) isn't?

Is the pursuit of asymptotic variance for a novel estimator always required even if the estimator itself is complicated?

Dependent events vs. independent events with varying probabilities of success

Is this proof of $\pi$’s uniformity correct?

Is non-nominal confidence interval coverage normal in practice?

I know $o(f) + o(g) = o(\max(f, g))$. What about $o_\text{P}(f) + o(g)$?

Deriving the probability of inclusion for a random stratified sample

How can I prove $(2\sum_{i}^{n}{x_i})^2 - 4(n\sum_{i=1}^{n}{x_i^2})$ is negative?

Question regarding addition and subtraction of separate indicator functions

Question on finding the joint cdf of two discrete distributions

Finding the expectation of two absolutely continuous variables that doesn't have a joint distribution

Finding $\hat{\theta}$ using the moment method, given $X \sim \mathrm{UNIF}(-\theta, \theta)$

Expectation of the sum of ln(x) squared

Trouble with inverse of a function

ANOVA formulas not matching with correct answer

Does the invariance property hold for consistent estimators within an indicator function? [closed]