| Minimum Sample Size | |
| Population Size | 20000 |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.95 |
| Population Variance | 13.78 |
| z(alpha/2) + z(beta) | 3.60481761149153 |
| z(alpha) + z(beta) | 3.28970725390294 |
| Minimum Sample Size (2 sided test) | 15634.6376407241 |
| Minimum Sample Size (1 sided test) | 14978.3318040475 |
| Minimum Sample Size (for Infinite Populations) | |
| Population Size | infinite |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.95 |
| Population Variance | 13.78 |
| z(alpha/2) + z(beta) | 3.60481761149153 |
| z(alpha) + z(beta) | 3.28970725390294 |
| Minimum Sample Size (2 sided test) | 71626.8415868025 |
| Minimum Sample Size (1 sided test) | 59651.8220758956 |
| 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) | 3.60506683767066 |
| t(alpha) + t(beta) | 3.28991074328215 |
| Minimum Sample Size (2 sided test) | 15635.109471812 |
| Minimum Sample Size (1 sided test) | 14978.7970355874 |
| 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) | 3.6048720066585 |
| t(alpha) + t(beta) | 3.28975834432897 |
| Minimum Sample Size (2 sided test) | 71629.0032403581 |
| Minimum Sample Size (1 sided test) | 59653.6749220206 |
