Mathematics
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cardinal
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All Questions Answers
Score Newest
answer
62
Proof of upper-tail inequality for standard normal distribution
Mar 24, 2011
answer
45
Simple proof that $8\left(\frac{9}{10}\right)^8 > 1$
Mar 6, 2011
answer
38
Is the composition of $n$ convex functions itself a convex function?
Feb 12, 2012
answer
30
Expert Minesweeper Probability Question
Sep 8, 2011
answer
27
Birthday-coverage problem
Mar 13, 2011
answer
25
Quantile function properties
Sep 25, 2011
answer
23
Drunkard's walk on the $n^{th}$ roots of unity.
Jan 15, 2012
answer
21
More examples of Simpson's Paradox, barring the ones on Wikipedia, Titanic, and delayed flights.
Nov 20, 2011
answer
18
When linear combinations of independent random variables are still independent?
May 30, 2011
answer
18
proof of inequality $e^x\le x+e^{x^2}$
Mar 5, 2011
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Downvoting for a perfectly legitimate question just because one thinks the OP is misbehaving in other threads
6
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Is it possible to have a pair of Gaussian random variables for which the joint distribution is not Gaussian?
175
Which "mean" to use and when?
163
Removal of statistically significant intercept term increases $R^2$ in linear model
85
Mathematician wants the equivalent knowledge to a quality stats degree
81
What are examples where a "naive bootstrap" fails?

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