| Minimum Sample Size | |
| Population Size | 163 |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.15 |
| Population Variance | 20 |
| z(alpha/2) + z(beta) | 2.99639737403384 |
| z(alpha) + z(beta) | 2.68128701644526 |
| Minimum Sample Size (2 sided test) | 162.633194866055 |
| Minimum Sample Size (1 sided test) | 162.542169765042 |
| Minimum Sample Size (for Infinite Populations) | |
| Population Size | infinite |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.15 |
| Population Variance | 20 |
| z(alpha/2) + z(beta) | 2.99639737403384 |
| z(alpha) + z(beta) | 2.68128701644526 |
| Minimum Sample Size (2 sided test) | 71827.1777849353 |
| Minimum Sample Size (1 sided test) | 57514.4005164634 |
| Minimum Sample Size (Unknown Population Variance) | |
| Population Size | 163 |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.15 |
| Population Variance | unknown |
| t(alpha/2) + t(beta) | 3.01451871087719 |
| t(alpha) + t(beta) | 2.69411200941801 |
| Minimum Sample Size (2 sided test) | 162.637581825707 |
| Minimum Sample Size (1 sided test) | 162.546506182189 |
| Minimum Sample Size (Infinite Population, Unknown Population Variance) | |
| Population Size | infinite |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.15 |
| Population Variance | unknown |
| t(alpha/2) + t(beta) | 2.99643788510574 |
| t(alpha) + t(beta) | 2.68132285574043 |
| Minimum Sample Size (2 sided test) | 71829.1199943757 |
| Minimum Sample Size (1 sided test) | 57515.9380537283 |
