| Minimum Sample Size | |
| Population Size | 20000 |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.85 |
| Population Variance | 13.5621063240111 |
| z(alpha/2) + z(beta) | 2.99639737403384 |
| z(alpha) + z(beta) | 2.68128701644526 |
| Minimum Sample Size (2 sided test) | 14178.3316625532 |
| Minimum Sample Size (1 sided test) | 13220.6573693444 |
| Minimum Sample Size (for Infinite Populations) | |
| Population Size | infinite |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.85 |
| Population Variance | 13.5621063240111 |
| z(alpha/2) + z(beta) | 2.99639737403384 |
| z(alpha) + z(beta) | 2.68128701644526 |
| Minimum Sample Size (2 sided test) | 48706.391103647 |
| Minimum Sample Size (1 sided test) | 39000.8207483018 |
| 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) | 2.99660262641757 |
| t(alpha) + t(beta) | 2.68144294626621 |
| Minimum Sample Size (2 sided test) | 14178.8970342828 |
| Minimum Sample Size (1 sided test) | 13221.1785709522 |
| 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) | 2.99645711641335 |
| t(alpha) + t(beta) | 2.68133986934903 |
| Minimum Sample Size (2 sided test) | 48708.3333458443 |
| Minimum Sample Size (1 sided test) | 39002.3583136049 |
