knock [Verb] + back [Adjective]

Strength Strength Dispersion
A:
6
CHISQ:
16.75
AWT:
15,236,432
TTEST:
1.91
G2:
12.06
FAWT:
3.57
MI:
2.19
LOGLOG:
5.67
JD:
0.6
MI3:
7.36
DICE:
0.2
RANGE: