/ Dictionary / Index C correlation ratio: Meaning and Definition of Find definitions for: correla'tion ra"tio Pronunciation: [key] — Statistics. Statistics. the ratio of the variance between arrays of data within a sample to the variance of the whole sample. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. correlation coefficient correlative Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language