Minimum Sample Size | |
Population Size | 20000 |
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) | 14002.0992706724 |
Minimum Sample Size (1 sided test) | 13029.6866955846 |
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 | 20000 |
Margin of Error | 0.05 |
Confidence | 0.95 |
Power | 0.85 |
Population Variance | unknown |
t(alpha/2) + t(beta) | 2.99660521013424 |
t(alpha) + t(beta) | 2.68144523198459 |
Minimum Sample Size (2 sided test) | 14002.6817585427 |
Minimum Sample Size (1 sided test) | 13030.2225804923 |
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 |