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  2. Spearman's rank correlation coefficient - Wikipedia

    en.wikipedia.org/wiki/Spearman's_rank_correlation...

    In statistics, Spearman's rank correlation coefficient or Spearman's ρ, named after Charles Spearman [1] and often denoted by the Greek letter (rho) or as , is a nonparametric measure of rank correlation (statistical dependence between the rankings of two variables).

  3. Greek letters used in mathematics, science, and engineering

    en.wikipedia.org/wiki/Greek_letters_used_in...

    the population mean or expected value in probability and statistics; a measure in measure theory; micro-, an SI prefix denoting 10 −6 (one millionth) Micrometre or micron (retired in 1967 as a standalone symbol, replaced by "μm" using the standard SI meaning) the coefficient of friction in physics; the service rate in queueing theory

  4. Normal distribution - Wikipedia

    en.wikipedia.org/wiki/Normal_distribution

    Many test statistics, scores, and estimators encountered in practice contain sums of certain random variables in them, and even more estimators can be represented as sums of random variables through the use of influence functions. The central limit theorem implies that those statistical parameters will have asymptotically normal distributions.

  5. Sigma Phi Rho - Wikipedia

    en.wikipedia.org/wiki/Sigma_Phi_Rho

    The Rho Rhoses is the women's auxiliary group for Sigma Phi Rho. The Rho Rhoses was also founded at Wagner College on December 4, 1980. [8] To become a member of Rhoses, there are certain programs in place in order to become a fully blossom, including the Bud program. The Bud program starts the young women who are interested, as Seeds or Rose Buds.

  6. The most dangerous roads during Christmas and New Year's Eve

    www.aol.com/finance/most-dangerous-roads-during...

    The Christmas to New Year's Eve holiday period was defined as Dec. 24 through Jan. 1. Unless otherwise noted, all fatality statistics are the sum of total fatalities from 2003 to 2022 (the most ...

  7. German far-right leader is Chinese-speaking economist with ...

    www.aol.com/news/german-far-afd-leader-chinese...

    BERLIN (Reuters) -Alice Weidel, the chancellor candidate of the far-right Alternative for Germany (AfD), is an unlikely public face for a male-dominated, anti-immigration party that depicts itself ...

  8. College Football Playoff quarterfinal schedule, matchups ...

    www.aol.com/sports/college-football-playoff-odds...

    We have a new favorite to win the College Football Playoff after the first round.. No. 5 seed Texas is +300 to win it all at BetMGM after its 38-24 win over No. 12 Clemson on Saturday. The ...

  9. List of social fraternities - Wikipedia

    en.wikipedia.org/wiki/List_of_social_fraternities

    Phi Rho Eta: ΦΡΗ: 1994 National Independent Traditional Active Phi Sigma Alpha: ΦΣΑ: 1928 International CIPFI: Puerto Rican OMNE RARUM CARUM (All that is rare is wanted) Active Phi Sigma Delta: ΦΣΔ: 1909 – 1969: National NIC: Traditional Inactive [ax] Phi Sigma Epsilon: ΦΣΕ: 1910 – 1985: National NIC, Association of Teachers ...