| Minimum Sample Size | |
| Population Size | 21 |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.05 |
| Population Variance | 13 |
| z(alpha/2) + z(beta) | 3.60481761149153 |
| z(alpha) + z(beta) | 3.28970725390294 |
| Minimum Sample Size (2 sided test) | 20.9937862921283 |
| Minimum Sample Size (1 sided test) | 20.9925393421598 |
| Minimum Sample Size (for Infinite Populations) | |
| Population Size | infinite |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.05 |
| Population Variance | 13 |
| z(alpha/2) + z(beta) | 3.60481761149153 |
| z(alpha) + z(beta) | 3.28970725390294 |
| Minimum Sample Size (2 sided test) | 67572.4920630212 |
| Minimum Sample Size (1 sided test) | 56275.3038451846 |
| Minimum Sample Size (Unknown Population Variance) | |
| Population Size | 21 |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.05 |
| Population Variance | unknown |
| t(alpha/2) + t(beta) | 3.81074925369867 |
| t(alpha) + t(beta) | 3.44949893301138 |
| Minimum Sample Size (2 sided test) | 20.9944395467846 |
| Minimum Sample Size (1 sided test) | 20.9932143170889 |
| Minimum Sample Size (Infinite Population, Unknown Population Variance) | |
| Population Size | infinite |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.05 |
| Population Variance | unknown |
| t(alpha/2) + t(beta) | 3.60487527046942 |
| t(alpha) + t(beta) | 3.28976140985978 |
| Minimum Sample Size (2 sided test) | 67574.6537213382 |
| Minimum Sample Size (1 sided test) | 56277.1566957736 |
