Political Party | Type | Z Value | Z Critical Value | P-value | Confidence Interval | |||
α |
|
| 0.1 | 0.05 | 0.1 | 0.05 | 0.1 | 0.05 |
NPP | No-pooled variance | 116.762 | 1.645 | 1.960 | 0.0001 | 0.0001 | (0.0237, 0.0243) | (0.0237, 0.0243) |
With pooled variance | 116.701 | 1.645 | 1.960 | 0.0001 | 0.0001 | (0.0237, 0.0243) | (0.0237, 0.0243) | |
NDC | No-pooled variance | −139.463 | 1.645 | 1.960 | 0.0001 | 0.0001 | (−0.029, −0.028) | (−0.029, −0.028) |
With pooled variance | −139.339 | 1.645 | 1.960 | 0.0001 | 0.0001 | (−0.029, −0.028) | (−0.029, −0.028) | |
Gap between NPP & NDC | No-pooled variance | 507.707 | 1.645 | 1.960 | 0.0001 | 0.0001 | (0.052, 0.053) | (0.052, 0.053) |
With pooled variance | 524.285 | 1.645 | 1.960 | 0.0001 | 0.0001 | (0.052, 0.053) | (0.052, 0.053) |