| Minimum Sample Size | |
| Population Size | 1988 |
| Margin of Error | 0.73 |
| Confidence | 0.95 |
| Power | 0.85 |
| Population Variance | 13 |
| z(alpha/2) + z(beta) | 2.99639737403384 |
| z(alpha) + z(beta) | 2.68128701644526 |
| Minimum Sample Size (2 sided test) | 197.379536139494 |
| Minimum Sample Size (1 sided test) | 161.238321288596 |
| Minimum Sample Size (for Infinite Populations) | |
| Population Size | infinite |
| Margin of Error | 0.73 |
| Confidence | 0.95 |
| Power | 0.85 |
| Population Variance | 13 |
| z(alpha/2) + z(beta) | 2.99639737403384 |
| z(alpha) + z(beta) | 2.68128701644526 |
| Minimum Sample Size (2 sided test) | 219.02639125637 |
| Minimum Sample Size (1 sided test) | 175.381686694038 |
| Minimum Sample Size (Unknown Population Variance) | |
| Population Size | 1988 |
| Margin of Error | 0.73 |
| Confidence | 0.95 |
| Power | 0.85 |
| Population Variance | unknown |
| t(alpha/2) + t(beta) | 3.01129495695601 |
| t(alpha) + t(beta) | 2.69421690421329 |
| Minimum Sample Size (2 sided test) | 199.149988931461 |
| Minimum Sample Size (1 sided test) | 162.669588443691 |
| Minimum Sample Size (Infinite Population, Unknown Population Variance) | |
| Population Size | infinite |
| Margin of Error | 0.73 |
| Confidence | 0.95 |
| Power | 0.85 |
| Population Variance | unknown |
| t(alpha/2) + t(beta) | 3.00980858900074 |
| t(alpha) + t(beta) | 2.6931632427129 |
| Minimum Sample Size (2 sided test) | 220.991406739527 |
| Minimum Sample Size (1 sided test) | 176.938763885716 |
