| Minimum Sample Size | |
| Population Size | 20000 |
| Margin of Error | 0.15 |
| Confidence | 0.95 |
| Power | 0.5 |
| Population Variance | 0.36 |
| z(alpha/2) + z(beta) | 1.95996398454005 |
| z(alpha) + z(beta) | 1.64485362695147 |
| Minimum Sample Size (2 sided test) | 61.2780872364839 |
| Minimum Sample Size (1 sided test) | 43.1973572716298 |
| Minimum Sample Size (for Infinite Populations) | |
| Population Size | infinite |
| Margin of Error | 0.15 |
| Confidence | 0.95 |
| Power | 0.5 |
| Population Variance | 0.36 |
| z(alpha/2) + z(beta) | 1.95996398454005 |
| z(alpha) + z(beta) | 1.64485362695147 |
| Minimum Sample Size (2 sided test) | 61.463341131106 |
| Minimum Sample Size (1 sided test) | 43.2886952655266 |
| Minimum Sample Size (Unknown Population Variance) | |
| Population Size | 20000 |
| Margin of Error | 0.15 |
| Confidence | 0.95 |
| Power | 0.5 |
| Population Variance | unknown |
| t(alpha/2) + t(beta) | 2.00010803521015 |
| t(alpha) + t(beta) | 1.68177497343132 |
| Minimum Sample Size (2 sided test) | 63.80590378417 |
| Minimum Sample Size (1 sided test) | 45.1539610972112 |
| Minimum Sample Size (Infinite Population, Unknown Population Variance) | |
| Population Size | infinite |
| Margin of Error | 0.15 |
| Confidence | 0.95 |
| Power | 0.5 |
| Population Variance | unknown |
| t(alpha/2) + t(beta) | 1.99998259260669 |
| t(alpha) + t(beta) | 1.68169345200576 |
| Minimum Sample Size (2 sided test) | 63.9988859316765 |
| Minimum Sample Size (1 sided test) | 45.2494858643047 |
