Question

Solving formulas involving multiple means and standard deviations

score 40 · Answer 1 · 2026-04-01 04:35:10

40

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Solving formulas involving multiple means and standard deviations

Published on 01 Apr 2026 - 4:35

score 405 · Answer 2 · 2026-04-01 06:04:40

405

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Manipulate data to match given mean and standard deviation

Published on 01 Apr 2026 - 6:04

score 2k · Answer 3 · 2017-12-26 05:37:15

2k

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Is there a case where Var[aX] = a*Var[X] where a is not equal to 0 and 1

Published on 26 Dec 2017 - 5:37

score 71 · Answer 4 · 2017-12-28 12:08:53

71

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Problem with Sample Standard Deviation

Published on 28 Dec 2017 - 12:08

score 317 · Answer 5 · 2018-01-03 11:17:49

The mean weight of 100 bags of rice is 90 pounds and the s.d. is 8 pounds. Bag A weighs 2 s.d. < mean and Bag B weighs 5 pounds > mean. Is A>B?

score 6.6k · Answer 6 · 2010-09-16 13:42:39

6.6k

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Motivation behind standard deviation?

Published on 16 Sep 2010 - 13:42

score 272 · Answer 7 · 2010-10-29 17:53:42

272

Views

Max of multistep Gaussian walk vs max of multiple single-step Gaussian walks

Published on 29 Oct 2010 - 17:53

score 17.8k · Answer 8 · 2010-11-10 16:22:49

17.8k

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Is it possible to calculate the standard deviation without the samples?

Published on 10 Nov 2010 - 16:22

score 155.1k · Answer 9 · 2010-12-21 19:50:19

155.1k

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Sample Standard Deviation vs. Population Standard Deviation

Published on 21 Dec 2010 - 19:50

score 5k · Answer 10 · 2011-01-12 23:58:21

5k

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Chebyshev's theorem

Published on 12 Jan 2011 - 23:58

score 310 · Answer 11 · 2011-02-07 20:22:53

310

Views

Calculating the "jaggedness" of a distribution

Published on 07 Feb 2011 - 20:22

score 667 · Answer 12 · 2011-02-17 12:07:53

667

Views

Calculate standard deviation of merged sets with limited information (full details inside)

Published on 17 Feb 2011 - 12:07

score 15.4k · Answer 13 · 2011-03-13 08:33:57

15.4k

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How to calculate the expected value $E(XY)$ with known $E(X)$, $E(Y)$ and $\sigma_{i}$?

Published on 13 Mar 2011 - 8:33

score 2.6k · Answer 14 · 2011-03-23 08:33:47

2.6k

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Denominator to calculate standard deviation

Published on 23 Mar 2011 - 8:33

score 1.4k · Answer 15 · 2011-04-23 17:36:44

1.4k

Views

Can't find Standard Deviation for Continuous Random Variable

Published on 23 Apr 2011 - 17:36

List Question

Solving formulas involving multiple means and standard deviations

Manipulate data to match given mean and standard deviation

Is there a case where Var[aX] = a*Var[X] where a is not equal to 0 and 1

Problem with Sample Standard Deviation

The mean weight of 100 bags of rice is 90 pounds and the s.d. is 8 pounds. Bag A weighs 2 s.d. < mean and Bag B weighs 5 pounds > mean. Is A>B?

Motivation behind standard deviation?

Max of multistep Gaussian walk vs max of multiple single-step Gaussian walks

Is it possible to calculate the standard deviation without the samples?

Sample Standard Deviation vs. Population Standard Deviation

Chebyshev's theorem

Calculating the "jaggedness" of a distribution

Calculate standard deviation of merged sets with limited information (full details inside)

How to calculate the expected value $E(XY)$ with known $E(X)$, $E(Y)$ and $\sigma_{i}$?

Denominator to calculate standard deviation

Can't find Standard Deviation for Continuous Random Variable

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