Question

Can you partition the set of 9 consecutive integers 1 to 9 in 2 sets, s.t. no member of either set is the mean of two other members of the same set?

score 90 · Answer 1 · 2026-03-27 15:05:30

90

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Can you partition the set of 9 consecutive integers 1 to 9 in 2 sets, s.t. no member of either set is the mean of two other members of the same set?

Published on 27 Mar 2026 - 15:05

score 38 · Answer 2 · 2026-03-26 07:33:21

38

Views

mean median and maximum product question

Published on 26 Mar 2026 - 7:33

score 38 · Answer 3 · 2023-07-17 15:02:42

38

Views

Consistency of complete-case analysis or mixed random variable mean estimator

Published on 17 Jul 2023 - 15:02

score 294 · Answer 4 · 2026-03-28 06:59:51

294

Views

Conjecture about the mean value of an almost periodic function (the "Mountains of Guilin")

Published on 28 Mar 2026 - 6:59

score 20 · Answer 5 · 2023-07-20 03:41:06

20

Views

What is the range of values after applying Standardization?

Published on 20 Jul 2023 - 3:41

score 40 · Answer 6 · 2026-03-26 07:39:09

40

Views

Can we find the probability using the mean and median ? If it is possible, how can we calculate it?

Published on 26 Mar 2026 - 7:39

score 425 · Answer 7 · 2023-07-29 21:21:45

425

Views

Expected Number of Dice Rolls to See All Sides

Published on 29 Jul 2023 - 21:21

score 410 · Answer 8 · 2026-03-26 07:39:09

410

Views

Mean of Medians? Median of Means?

Published on 26 Mar 2026 - 7:39

score 83 · Answer 9 · 2026-03-28 13:21:23

83

Views

Proving $\overline{(x-\overline x)(y-\overline y)}=\overline{xy}-\overline x \cdot \overline y$

Published on 28 Mar 2026 - 13:21

score 245 · Answer 10 · 2023-08-15 04:19:15

245

Views

Minimizing the variance of a linear combination of random variables

Published on 15 Aug 2023 - 4:19

score 37 · Answer 11 · 2023-08-17 12:15:17

37

Views

How to add new rows into a matrix $X$ without change its center?

Published on 17 Aug 2023 - 12:15

score 25 · Answer 12 · 2023-08-22 14:17:41

25

Views

Derivative of mean with respect to weights leads to mean always increasing?

Published on 22 Aug 2023 - 14:17

score 51 · Answer 13 · 2026-03-27 03:38:33

51

Views

Collisions in random functions

Published on 27 Mar 2026 - 3:38

score 51 · Answer 14 · 2023-08-27 00:07:18

51

Views

The weighted average of weights will be smaller than will be smaller than the weighted mean in some cases.

Published on 27 Aug 2023 - 0:07

score 23 · Answer 15 · 2026-03-27 17:24:24

23

Views

Asymptotic scaling of mean and variance for non centered chi distribution

Published on 27 Mar 2026 - 17:24

List Question

Can you partition the set of 9 consecutive integers 1 to 9 in 2 sets, s.t. no member of either set is the mean of two other members of the same set?

mean median and maximum product question

Consistency of complete-case analysis or mixed random variable mean estimator

Conjecture about the mean value of an almost periodic function (the "Mountains of Guilin")

What is the range of values after applying Standardization?

Can we find the probability using the mean and median ? If it is possible, how can we calculate it?

Expected Number of Dice Rolls to See All Sides

Mean of Medians? Median of Means?

Proving $\overline{(x-\overline x)(y-\overline y)}=\overline{xy}-\overline x \cdot \overline y$

Minimizing the variance of a linear combination of random variables

How to add new rows into a matrix $X$ without change its center?

Derivative of mean with respect to weights leads to mean always increasing?

Collisions in random functions

The weighted average of weights will be smaller than will be smaller than the weighted mean in some cases.

Asymptotic scaling of mean and variance for non centered chi distribution

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