| Minimum Sample Size | |
| Population Size | 98 |
| Margin of Error | 20 |
| 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) | 0.125972361038071 |
| Minimum Sample Size (1 sided test) | 0.0887562015885237 |
| Minimum Sample Size (for Infinite Populations) | |
| Population Size | infinite |
| Margin of Error | 20 |
| 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) | 0.124847411672559 |
| Minimum Sample Size (1 sided test) | 0.0879301622581009 |
| Minimum Sample Size (Unknown Population Variance) | |
| Population Size | 98 |
| Margin of Error | 20 |
| Confidence | 0.95 |
| Power | 0.5 |
| Population Variance | unknown |
| t(alpha/2) + t(beta) | NaN |
| t(alpha) + t(beta) | NaN |
| Minimum Sample Size (2 sided test) | NaN |
| Minimum Sample Size (1 sided test) | NaN |
| Minimum Sample Size (Infinite Population, Unknown Population Variance) | |
| Population Size | infinite |
| Margin of Error | 20 |
| Confidence | 0.95 |
| Power | 0.5 |
| Population Variance | unknown |
| t(alpha/2) + t(beta) | NaN |
| t(alpha) + t(beta) | NaN |
| Minimum Sample Size (2 sided test) | NaN |
| Minimum Sample Size (1 sided test) | NaN |
