Confidence Interval Calculator 
| Confidence level | % | |
| Sample size | ||
| Sample mean | ||
| Sample standard deviation | ||
| Margin of error | ± | |
| Confidence interval | to |
| Confidence level | % | |
| Sample size | ||
| Sample mean | ||
| Sample standard deviation | ||
| Margin of error | ± | |
| Confidence interval | to |