Quick Quiz: Nouns Score: Change category, Flip order Reset Correct! Noun: kendall partial rank correlation Your choice? valuable meadow and pasture grass in Europe and especially central United States having tall stalks and slender bright green leaves; a chief constituent in lawn grass mixtures a surgical procedure in which part or all of the cornea is replaced by healthy corneal tissue from a donor an abnormal increase of ketone bodies in the blood as in diabetes mellitus a nonparametric measure of partial correlation