| Minimum Sample Size | |
| Population Size | 20000 |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.95 |
| Population Variance | 12.53 |
| z(alpha/2) + z(beta) | 3.60481761149153 |
| z(alpha) + z(beta) | 3.28970725390294 |
| Minimum Sample Size (2 sided test) | 15301.4552934566 |
| Minimum Sample Size (1 sided test) | 14612.3191428894 |
| Minimum Sample Size (for Infinite Populations) | |
| Population Size | infinite |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.95 |
| Population Variance | 12.53 |
| z(alpha/2) + z(beta) | 3.60481761149153 |
| z(alpha) + z(beta) | 3.28970725390294 |
| Minimum Sample Size (2 sided test) | 65129.4865807427 |
| Minimum Sample Size (1 sided test) | 54240.7351677048 |
| Minimum Sample Size (Unknown Population Variance) | |
| Population Size | 20000 |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.95 |
| Population Variance | unknown |
| t(alpha/2) + t(beta) | 3.60507226520024 |
| t(alpha) + t(beta) | 3.28991584100396 |
| Minimum Sample Size (2 sided test) | 15301.9631384867 |
| Minimum Sample Size (1 sided test) | 14612.8182856055 |
| Minimum Sample Size (Infinite Population, Unknown Population Variance) | |
| Population Size | infinite |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.95 |
| Population Variance | unknown |
| t(alpha/2) + t(beta) | 3.60487743332567 |
| t(alpha) + t(beta) | 3.28976344132079 |
| Minimum Sample Size (2 sided test) | 65131.6482422149 |
| Minimum Sample Size (1 sided test) | 54242.5880212521 |
