| Minimum Sample Size | |
| Population Size | 120 |
| Margin of Error | 1 |
| Confidence | 0.9 |
| Power | 0.95 |
| Population Variance | 13 |
| z(alpha/2) + z(beta) | 3.28970725390294 |
| z(alpha) + z(beta) | 2.92640519249607 |
| Minimum Sample Size (2 sided test) | 65.0109911734829 |
| Minimum Sample Size (1 sided test) | 58.0020013224819 |
| Minimum Sample Size (for Infinite Populations) | |
| Population Size | infinite |
| Margin of Error | 1 |
| Confidence | 0.9 |
| Power | 0.95 |
| Population Variance | 13 |
| z(alpha/2) + z(beta) | 3.28970725390294 |
| z(alpha) + z(beta) | 2.92640519249607 |
| Minimum Sample Size (2 sided test) | 140.688259612961 |
| Minimum Sample Size (1 sided test) | 111.330015558684 |
| Minimum Sample Size (Unknown Population Variance) | |
| Population Size | 120 |
| Margin of Error | 1 |
| Confidence | 0.9 |
| Power | 0.95 |
| Population Variance | unknown |
| t(alpha/2) + t(beta) | 3.33801763169042 |
| t(alpha) + t(beta) | 2.96860842847345 |
| Minimum Sample Size (2 sided test) | 65.8784840075178 |
| Minimum Sample Size (1 sided test) | 58.8605109805349 |
| Minimum Sample Size (Infinite Population, Unknown Population Variance) | |
| Population Size | infinite |
| Margin of Error | 1 |
| Confidence | 0.9 |
| Power | 0.95 |
| Population Variance | unknown |
| t(alpha/2) + t(beta) | 3.31167025401028 |
| t(alpha) + t(beta) | 2.9480539067487 |
| Minimum Sample Size (2 sided test) | 142.573078326854 |
| Minimum Sample Size (1 sided test) | 112.983283882252 |
