An Etymological Dictionary of Astronomy and Astrophysics

Statistics: The correlation coefficient of two random variables X and Y is in general defined as the ratio of the Cov(X,Y) to the two standard deviations of X and Y. It varies between 1 and -1 corresponding to complete correlation or anticorrelation.

Etymology (EN): Anticorrelation, from → anti- + → correlation.

Etymology (PE): Pâdhambâzâneš, from pâd-, → anti-, + hambâzâneš, → correlation.