drainage [Noun] + improve [Adjective]

Strength Strength Dispersion
A:
7
CHISQ:
214.52
AWT:
12,680,678
TTEST:
2.56
G2:
42.36
FAWT:
4.29
MI:
5.03
LOGLOG:
14.11
JD:
0.58
MI3:
10.64
DICE:
0.42
RANGE: