distribution difference

23 LETTERS · STARTS WITH D

distribution difference is a valid 23-letter word worth 34 points in Scrabble and 39 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

D2I1S1T1R1I1B3U1T1I1O1N1D2I1F4F4E1R1E1N1C3E1

2 + 1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 0 + 2 + 1 + 4 + 4 + 1 + 1 + 1 + 1 + 3 + 1 =34 PTS

DOUBLE WORD → 68TRIPLE WORD → 102

MEANING

What does distribution difference mean?