Question

Calculating mean value and variance

score 189 · Answer 1 · 2017-04-29 01:14:39

189

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Calculating mean value and variance

Published on 29 Apr 2017 - 1:14

score 470 · Answer 2 · 2017-04-29 18:55:02

470

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The expected value as an integral

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score 135 · Answer 3 · 2017-05-04 20:25:27

135

Views

Show that arithmetic mean of numbers obtained is $\frac{n+1}{r+1}$

Published on 04 May 2017 - 20:25

score 59 · Answer 4 · 2026-03-29 14:18:40

59

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Working out the average age of different sub-groups

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score 182 · Answer 5 · 2026-03-30 02:07:10

182

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If one event happens in an interval according to a Poisson process, how to calculate the expected value of when it occurred?

Published on 30 Mar 2026 - 2:07

score 5.2k · Answer 6 · 2017-05-09 00:06:05

5.2k

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How can I prove that the mean of squared data points is greater than the square of the mean of the data points?

Published on 09 May 2017 - 0:06

score 86 · Answer 7 · 2017-05-09 11:41:55

86

Views

How to generate a bounded, random value where the inputs are the "mean" and the "amount of randomness"?

Published on 09 May 2017 - 11:41

score 2.5k · Answer 8 · 2017-05-10 02:12:38

2.5k

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If $x$ and $y$ are positive numbers, what is the minimum possible value of $(x+y)\left(\frac1x + \frac1y\right)?$

Published on 10 May 2017 - 2:12

score 363 · Answer 9 · 2017-05-12 01:38:25

363

Views

Prove that $\sqrt{ \frac{2x^2 - 2x + 1}{2} } \geq \frac{1}{x + \frac{1}{x}}$ for $0 < x < 1.$

Published on 12 May 2017 - 1:38

score 760 · Answer 10 · 2026-03-27 07:13:25

760

Views

ANOVA F-test results in p-value being 1

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score 183 · Answer 11 · 2017-05-13 17:55:01

183

Views

Geometric mean vs arithmetic mean in general case

Published on 13 May 2017 - 17:55

score 69 · Answer 12 · 2026-03-27 00:02:31

69

Views

Estimate the median from mean, variance etc.

Published on 27 Mar 2026 - 0:02

score 2.9k · Answer 13 · 2026-03-26 06:17:34

2.9k

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Function Composition and Expected Value

Published on 26 Mar 2026 - 6:17

score 133 · Answer 14 · 2017-05-25 14:41:13

133

Views

Mean of a discrete random variable

Published on 25 May 2017 - 14:41

score 404 · Answer 15 · 2017-05-28 15:27:38

404

Views

Calculate mean with known variance, reject rate and specification

Published on 28 May 2017 - 15:27

List Question

Calculating mean value and variance

The expected value as an integral

Show that arithmetic mean of numbers obtained is $\frac{n+1}{r+1}$

Working out the average age of different sub-groups

If one event happens in an interval according to a Poisson process, how to calculate the expected value of when it occurred?

How can I prove that the mean of squared data points is greater than the square of the mean of the data points?

How to generate a bounded, random value where the inputs are the "mean" and the "amount of randomness"?

If $x$ and $y$ are positive numbers, what is the minimum possible value of $(x+y)\left(\frac1x + \frac1y\right)?$

Prove that $\sqrt{ \frac{2x^2 - 2x + 1}{2} } \geq \frac{1}{x + \frac{1}{x}}$ for $0 < x < 1.$

ANOVA F-test results in p-value being 1

Geometric mean vs arithmetic mean in general case

Estimate the median from mean, variance etc.

Function Composition and Expected Value

Mean of a discrete random variable

Calculate mean with known variance, reject rate and specification

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