| Minimum Sample Size | |
| Population Size | 20000 |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.5 |
| Population Variance | 0.13 |
| z(alpha/2) + z(beta) | 1.95996398454005 |
| z(alpha) + z(beta) | 1.64485362695147 |
| Minimum Sample Size (2 sided test) | 197.790260027617 |
| Minimum Sample Size (1 sided test) | 139.712450162488 |
| Minimum Sample Size (for Infinite Populations) | |
| Population Size | infinite |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.5 |
| Population Variance | 0.13 |
| z(alpha/2) + z(beta) | 1.95996398454005 |
| z(alpha) + z(beta) | 1.64485362695147 |
| Minimum Sample Size (2 sided test) | 199.755858676094 |
| Minimum Sample Size (1 sided test) | 140.688259612961 |
| Minimum Sample Size (Unknown Population Variance) | |
| Population Size | 20000 |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.5 |
| Population Variance | unknown |
| t(alpha/2) + t(beta) | 1.97209202436772 |
| t(alpha) + t(beta) | 1.65591290004042 |
| Minimum Sample Size (2 sided test) | 200.221060852427 |
| Minimum Sample Size (1 sided test) | 141.584151666959 |
| 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) | 1.97197136374429 |
| t(alpha) + t(beta) | 1.65583512700514 |
| Minimum Sample Size (2 sided test) | 202.210895090231 |
| Minimum Sample Size (1 sided test) | 142.573078326854 |
