dummy variable

14 LETTERS · STARTS WITH D

dummy variable is a valid 14-letter word worth 26 points in Scrabble and 31 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

D2U1M3M3Y4V4A1R1I1A1B3L1E1

2 + 1 + 3 + 3 + 4 + 0 + 4 + 1 + 1 + 1 + 1 + 3 + 1 + 1 =26 PTS

DOUBLE WORD → 52TRIPLE WORD → 78

MEANING

What does dummy variable mean?