(P. Value - Pre Interventions & Post Interventions)
| Pre-interventions | Post-interventions | |
| Mean | 52.5 | 25.5 |
| Variance | 122.7037037 | 5.166666667 |
| Observations | 4 | 4 |
| Pearson correlation | 0.121354568 | |
| Hypothesised mean difference | 0 | |
| df | 3 | |
| t stat | 4.893761063 | |
| P(T≤t) one-tail | 0.008162026 | |
| t critical one-tail | 2.353363435 | |
| P(T≤t) two-tail | 0.016324052 | |
| t critical two-tail | 3.182446305 |