| Minimum Sample Size | |
| Population Size | 20000 |
| Margin of Error | 1 |
| Confidence | 0.95 |
| Power | 0.95 |
| Population Variance | 13 |
| z(alpha/2) + z(beta) | 3.60481761149153 |
| z(alpha) + z(beta) | 3.28970725390294 |
| Minimum Sample Size (2 sided test) | 167.524599553321 |
| Minimum Sample Size (1 sided test) | 139.712450162488 |
| Minimum Sample Size (for Infinite Populations) | |
| Population Size | infinite |
| Margin of Error | 1 |
| Confidence | 0.95 |
| Power | 0.95 |
| Population Variance | 13 |
| z(alpha/2) + z(beta) | 3.60481761149153 |
| z(alpha) + z(beta) | 3.28970725390294 |
| Minimum Sample Size (2 sided test) | 168.931230157553 |
| Minimum Sample Size (1 sided test) | 140.688259612961 |
| Minimum Sample Size (Unknown Population Variance) | |
| Population Size | 20000 |
| Margin of Error | 1 |
| Confidence | 0.95 |
| Power | 0.95 |
| Population Variance | unknown |
| t(alpha/2) + t(beta) | 3.62836756369638 |
| t(alpha) + t(beta) | 3.31182580008083 |
| Minimum Sample Size (2 sided test) | 169.701962637866 |
| Minimum Sample Size (1 sided test) | 141.584151666959 |
| Minimum Sample Size (Infinite Population, Unknown Population Variance) | |
| Population Size | infinite |
| Margin of Error | 1 |
| Confidence | 0.95 |
| Power | 0.95 |
| Population Variance | unknown |
| t(alpha/2) + t(beta) | 3.62816902032638 |
| t(alpha) + t(beta) | 3.31167025401027 |
| Minimum Sample Size (2 sided test) | 171.126935720729 |
| Minimum Sample Size (1 sided test) | 142.573078326854 |
