rank-order correlation

NOUN
22 LETTERS · STARTS WITH R

rank-order correlation is a valid 22-letter word worth 27 points in Scrabble and 31 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
R1A1N1K5-0O1R1D2E1R1C3O1R1R1E1L1A1T1I1O1N1
1 + 1 + 1 + 5 + 0 + 1 + 1 + 2 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =27 PTS
DOUBLE WORD → 54TRIPLE WORD → 81
MEANING

What does rank-order correlation mean?

NOUN · 1 SENSE
1

The most commonly used method of computing a correlation coefficient between the ranks of scores on two variables.