| T | Df | Sig. (2-tailed) | Mean Difference | 95% Confidence Interval of the Difference | |
| Lower | Upper | ||||
Raw W | −0.47 | 7 | 0.65 | −0.03 | −0.20 | 0.13 |
Tilapia Fish | 1.26 | 7 | 0.25 | 0.03 | −0.03 | 0.11 |