Survey Margin Achieved From Sample
Calculator
Margin of error (%)
4.9
Results
- Margin of error (%)
- 4.9
- Lower confidence bound (%)
- 45.1
- Upper confidence bound (%)
- 54.9
Academic results
| Margin of error (%) | 4.9 |
| Lower confidence bound (%) | 45.1 |
| Upper confidence bound (%) | 54.9 |
formula-map diagram
- Margin of error (%)
- 4.9
- Lower confidence bound (%)
- 45.1
- Upper confidence bound (%)
- 54.9
Formula breakdown
Formula
E = z × √(p × (1 − p) ÷ n), z = 1.96 (95%)= 4.9
Note
This is a simplified model. Grading rules, credit systems and statistical assumptions vary by institution and study design; check your syllabus, registrar or methods guide before relying on these figures.