| Minimum Sample Size | |
| Population Size | 500 |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.5 |
| Population Variance | 0.2 |
| z(alpha/2) + z(beta) | 1.95996398454005 |
| z(alpha) + z(beta) | 1.64485362695147 |
| Minimum Sample Size (2 sided test) | 190.568236711457 |
| Minimum Sample Size (1 sided test) | 151.265252594542 |
| Minimum Sample Size (for Infinite Populations) | |
| Population Size | infinite |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.5 |
| Population Variance | 0.2 |
| z(alpha/2) + z(beta) | 1.95996398454005 |
| z(alpha) + z(beta) | 1.64485362695147 |
| Minimum Sample Size (2 sided test) | 307.31670565553 |
| Minimum Sample Size (1 sided test) | 216.443476327633 |
| Minimum Sample Size (Unknown Population Variance) | |
| Population Size | 500 |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.5 |
| Population Variance | unknown |
| t(alpha/2) + t(beta) | 1.97255697858831 |
| t(alpha) + t(beta) | 1.65505734398431 |
| Minimum Sample Size (2 sided test) | 192.081172922249 |
| Minimum Sample Size (1 sided test) | 152.57334499768 |
| Minimum Sample Size (Infinite Population, Unknown Population Variance) | |
| Population Size | infinite |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.5 |
| Population Variance | unknown |
| t(alpha/2) + t(beta) | 1.96773865956068 |
| t(alpha) + t(beta) | 1.651957032417 |
| Minimum Sample Size (2 sided test) | 309.759634586373 |
| Minimum Sample Size (1 sided test) | 218.316962956158 |
