trouble [Noun] + back [Adjective]

Strength Strength Dispersion
A:
8
CHISQ:
26.02
AWT:
20,063,230
TTEST:
2.27
G2:
16.46
FAWT:
2.71
MI:
2.34
LOGLOG:
7.01
JD:
0.61
MI3:
8.34
DICE:
0.14
RANGE: