rail [Noun] + improve [Verb]

Strength Strength Dispersion
A:
6
CHISQ:
1.02
AWT:
14,487,225
TTEST:
0.82
G2:
1.85
FAWT:
3.75
MI:
0.59
LOGLOG:
1.52
JD:
0.53
MI3:
5.76
DICE:
0.08
RANGE: