| Minimum Sample Size | |
| Population Size | 1988 |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.85 |
| Population Variance | 13 |
| z(alpha/2) + z(beta) | 2.99639737403384 |
| z(alpha) + z(beta) | 2.68128701644526 |
| Minimum Sample Size (2 sided test) | 1906.84574953856 |
| Minimum Sample Size (1 sided test) | 1887.66930361768 |
| Minimum Sample Size (for Infinite Populations) | |
| Population Size | infinite |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.85 |
| Population Variance | 13 |
| z(alpha/2) + z(beta) | 2.99639737403384 |
| z(alpha) + z(beta) | 2.68128701644526 |
| Minimum Sample Size (2 sided test) | 46687.6655602079 |
| Minimum Sample Size (1 sided test) | 37384.3603357012 |
| Minimum Sample Size (Unknown Population Variance) | |
| Population Size | 1988 |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.85 |
| Population Variance | unknown |
| t(alpha/2) + t(beta) | 2.99792495882775 |
| t(alpha) + t(beta) | 2.68238000701589 |
| Minimum Sample Size (2 sided test) | 1906.92506035501 |
| Minimum Sample Size (1 sided test) | 1887.74692812133 |
| Minimum Sample Size (Infinite Population, Unknown Population Variance) | |
| Population Size | infinite |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.85 |
| Population Variance | unknown |
| t(alpha/2) + t(beta) | 2.99645969972532 |
| t(alpha) + t(beta) | 2.68134215476456 |
| Minimum Sample Size (2 sided test) | 46689.6078068054 |
| Minimum Sample Size (1 sided test) | 37385.8979047706 |
