tetrachoric correlation

NOUN
23 LETTERS · STARTS WITH T

tetrachoric correlation is a valid 23-letter word worth 31 points in Scrabble and 35 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
T1E1T1R1A1C3H4O1R1I1C3C3O1R1R1E1L1A1T1I1O1N1
1 + 1 + 1 + 1 + 1 + 3 + 4 + 1 + 1 + 1 + 3 + 0 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =31 PTS
DOUBLE WORD → 62TRIPLE WORD → 93
MEANING

What does tetrachoric correlation mean?

NOUN · 1 SENSE
1

A correlation coefficient computed for two normally distributed variables that are both expressed as a dichotomy.