Z score | 1.95996 |
|
Confidence interval | 95% | Z² = 3.85 |
Alpha/2 | 0.025 |
|
P | 0.5 | |
Error | 0.05 | |
Population size | 285 | |
It leads to n0 384.15 |
| |
Sample size | 163 | |
Non responded sample | 8 | |
Total sample | 171 |