| Minimum Sample Size | |
| Population Size | 20000 |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.95 |
| Population Variance | 15 |
| z(alpha/2) + z(beta) | 3.60481761149153 |
| z(alpha) + z(beta) | 3.28970725390294 |
| Minimum Sample Size (2 sided test) | 15917.2074455985 |
| Minimum Sample Size (1 sided test) | 15290.5877881803 |
| Minimum Sample Size (for Infinite Populations) | |
| Population Size | infinite |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.95 |
| Population Variance | 15 |
| z(alpha/2) + z(beta) | 3.60481761149153 |
| z(alpha) + z(beta) | 3.28970725390294 |
| Minimum Sample Size (2 sided test) | 77968.2600727168 |
| Minimum Sample Size (1 sided test) | 64933.0428982899 |
| 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) | 3.60506241270878 |
| t(alpha) + t(beta) | 3.2899065872087 |
| Minimum Sample Size (2 sided test) | 15917.6487337534 |
| Minimum Sample Size (1 sided test) | 15291.0240893963 |
| 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) | 3.60486758239972 |
| t(alpha) + t(beta) | 3.28975418885068 |
| Minimum Sample Size (2 sided test) | 77970.4217198182 |
| Minimum Sample Size (1 sided test) | 64934.8957383636 |
