| Minimum Sample Size | |
| Population Size | 20000 |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.5 |
| Population Variance | 13 |
| z(alpha/2) + z(beta) | 1.95996398454005 |
| z(alpha) + z(beta) | 1.64485362695147 |
| Minimum Sample Size (2 sided test) | 9994.14274547631 |
| Minimum Sample Size (1 sided test) | 8259.30364754093 |
| Minimum Sample Size (for Infinite Populations) | |
| Population Size | infinite |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.5 |
| Population Variance | 13 |
| z(alpha/2) + z(beta) | 1.95996398454005 |
| z(alpha) + z(beta) | 1.64485362695147 |
| Minimum Sample Size (2 sided test) | 19975.5858676094 |
| Minimum Sample Size (1 sided test) | 14068.8259612961 |
| 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) | 1.96020140271368 |
| t(alpha) + t(beta) | 1.64503816135463 |
| Minimum Sample Size (2 sided test) | 9995.35401125056 |
| Minimum Sample Size (1 sided test) | 8260.39150375133 |
| 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) | 1.96008275609091 |
| t(alpha) + t(beta) | 1.64496195002219 |
| Minimum Sample Size (2 sided test) | 19978.0069357697 |
| Minimum Sample Size (1 sided test) | 14070.6790485083 |
