Question

Standard Deviation and data set increasing by multiplication.

score 176 · Answer 1 · 2026-04-02 10:05:17

176

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Standard Deviation and data set increasing by multiplication.

Published on 02 Apr 2026 - 10:05

score 1.7k · Answer 2 · 2022-04-15 05:52:07

1.7k

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I thought var(a) * var(b) = var(ab) but, it is not? (independent each other)

Published on 15 Apr 2022 - 5:52

score 63 · Answer 3 · 2022-04-22 05:21:27

63

Views

probablity man is taller than woman in random pair (or comparing random values from distinct normal distributions)

Published on 22 Apr 2022 - 5:21

score 75 · Answer 4 · 2026-03-26 12:35:16

75

Views

Can you calculate (or estimate) standard deviation using mean, median, and sample size?

Published on 26 Mar 2026 - 12:35

score 25 · Answer 5 · 2022-05-20 20:56:13

25

Views

Calculating a sample size

Published on 20 May 2022 - 20:56

score 63 · Answer 6 · 2022-05-23 20:24:46

63

Views

Updating standard deviation without set

Published on 23 May 2022 - 20:24

score 24 · Answer 7 · 2026-02-23 17:27:35

24

Views

2 methods of gives me different numbers of questions to be guessed correct using the same p value.

Published on 23 Feb 2026 - 17:27

score 33 · Answer 8 · 2022-06-01 13:54:30

33

Views

Can I use std dev on a data set of 'diminishing returns'

Published on 01 Jun 2022 - 13:54

score 76 · Answer 9 · 2022-06-09 20:03:51

76

Views

Stanine calculation - Do I omit blank scores?

Published on 09 Jun 2022 - 20:03

score 90 · Answer 10 · 2022-06-15 14:44:57

90

Views

Standard Deviation Formula in Statistics

Published on 15 Jun 2022 - 14:44

score 36 · Answer 11 · 2026-03-31 09:17:59

36

Views

Expected value of $\bar x^2$ shows different values when calculating through different equations.

Published on 31 Mar 2026 - 9:17

score 39 · Answer 12 · 2022-06-24 11:09:52

39

Views

Calculate the necessary sigma value for Normal distribution

Published on 24 Jun 2022 - 11:09

score 31 · Answer 13 · 2026-02-23 15:35:02

31

Views

Variance of summation of products of all pairs of Bernoulli random variables

Published on 23 Feb 2026 - 15:35

score 106 · Answer 14 · 2022-07-14 20:02:14

106

Views

When to use transformation for standard deviation of random variable Z = kX?

Published on 14 Jul 2022 - 20:02

score 652 · Answer 15 · 2026-03-25 20:17:05

652

Views

How do I combine three or more standar deviations?

Published on 25 Mar 2026 - 20:17

List Question

Standard Deviation and data set increasing by multiplication.

I thought var(a) * var(b) = var(ab) but, it is not? (independent each other)

probablity man is taller than woman in random pair (or comparing random values from distinct normal distributions)

Can you calculate (or estimate) standard deviation using mean, median, and sample size?

Calculating a sample size

Updating standard deviation without set

2 methods of gives me different numbers of questions to be guessed correct using the same p value.

Can I use std dev on a data set of 'diminishing returns'

Stanine calculation - Do I omit blank scores?

Standard Deviation Formula in Statistics

Expected value of $\bar x^2$ shows different values when calculating through different equations.

Calculate the necessary sigma value for Normal distribution

Variance of summation of products of all pairs of Bernoulli random variables

When to use transformation for standard deviation of random variable Z = kX?

How do I combine three or more standar deviations?

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