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Print/export Download as PDF; ... Pages in category "Statistical paradoxes" ... Simpson's paradox; Stein's example; W. Will Rogers phenomenon
Buttered cat paradox: Humorous example of a paradox from contradicting proverbs. Intentionally blank page: Many documents contain pages on which the text "This page intentionally left blank" is printed, thereby making the page not blank. Metabasis paradox: Conflicting definitions of what is the best kind of tragedy in Aristotle's Poetics.
Simpson's paradox is a phenomenon in probability and statistics in which a trend appears in several groups of data but disappears or reverses when the groups are combined. This result is often encountered in social-science and medical-science statistics, [ 1 ] [ 2 ] [ 3 ] and is particularly problematic when frequency data are unduly given ...
Lord's Paradox and associated analyses provide a powerful teaching tool to understand these fundamental statistical concepts. More directly, Lord's Paradox may have implications for both education and health policies that attempt to reward educators or hospitals for the improvements that their children/patients made under their care, which is ...
Simpson's paradox, a term introduced by Colin R. Blyth in 1972; but Edward Simpson did not actually discover this statistical paradox. The Simson line in geometry is named for Robert Simson, but cannot be found in Simson's works. Instead, it was first discovered by William Wallace in 1797.
The following numerical example illustrates Lindley's paradox. In a certain city 49,581 boys and 48,870 girls have been born over a certain time period. The observed proportion of male births is thus 49 581 / 98 451 ≈ 0.5036. We assume the fraction of male births is a binomial variable with parameter .
Berkson's paradox, also known as Berkson's bias, collider bias, or Berkson's fallacy, is a result in conditional probability and statistics which is often found to be counterintuitive, and hence a veridical paradox. It is a complicating factor arising in statistical tests of proportions.
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