S.N | Group 1 | N1 | Group 2 | N2 | Z Test Value | p Value | Result |
| |
1 | POOLED ZN | 16 | MORNING ZN | 13 | 0.59 | p > 0.05 | NOT SIG |
| |
2 | POOLED BLEACH | 32 | MORNING BLEACH | 47 | 2.06 | p < 0.05 | SIG |
| |
3 | POOLED ZN | 16 | POOLED BLEACH | 32 | 2.6 | p < 0.01 | H.SIG |
| |
4 | MORNING ZN | 13 | MORNING BLEACH | 47 | 5.12 | p < 0.01 | H.SIG |
| |
5 | Total ZN | 17 | Total Bleach | 56 | 5.37 | p < 0.01 | H.SIG | ||