| Minimum Sample Size | |
| Population Size | 20000 |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.85 |
| Population Variance | 13.0309278350515 |
| z(alpha/2) + z(beta) | 2.99639737403384 |
| z(alpha) + z(beta) | 2.68128701644526 |
| Minimum Sample Size (2 sided test) | 14012.0727304725 |
| Minimum Sample Size (1 sided test) | 13040.4734264494 |
| Minimum Sample Size (for Infinite Populations) | |
| Population Size | infinite |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.85 |
| Population Variance | 13.0309278350515 |
| z(alpha/2) + z(beta) | 2.99639737403384 |
| z(alpha) + z(beta) | 2.68128701644526 |
| Minimum Sample Size (2 sided test) | 46798.7385155453 |
| Minimum Sample Size (1 sided test) | 37473.3001303142 |
| Minimum Sample Size (Unknown Population Variance) | |
| Population Size | 20000 |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.85 |
| Population Variance | unknown |
| t(alpha/2) + t(beta) | 2.99660506217963 |
| t(alpha) + t(beta) | 2.68144510109461 |
| Minimum Sample Size (2 sided test) | 14012.654249692 |
| Minimum Sample Size (1 sided test) | 13041.0084819869 |
| Minimum Sample Size (Infinite Population, Unknown Population Variance) | |
| Population Size | infinite |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.85 |
| Population Variance | unknown |
| t(alpha/2) + t(beta) | 2.99645955179389 |
| t(alpha) + t(beta) | 2.68134202389192 |
| Minimum Sample Size (2 sided test) | 46800.6807618908 |
| Minimum Sample Size (1 sided test) | 37474.8376991679 |
