| APPLET | SOURCE | DESCRIPTION |
|
| Confidence Interval for a Proportion or Count | GraphPad Quickcalcs | Computes 90%, 95% and 99% confidence intervals for a proportion using Wald and exact methods based on a sample size and number of successes. more |
| The Confidence Interval of a Proportion | Vassar Stats (Lowry) | Calculates 95% confidence intervals for a proportion based on number of successes and trials using Newcombe's methods. more |
| One sample CI for the proportion (normal approximation) | Dept of Statistics, Texas A&M University | Calculates confidence intervals for the proportion assuming large samples based on summary statistics, nice feature allows a slider to increase or decrease the confidence level one percent at a time. more |
| Sample Error Calculator | DSS Research, Researcher's Toolkit | Calculates margin of error for a specified level of confidence from sample size, sample proportion and population size. more |