Minimum Sample Size | |
Population Size | 150 |
Margin of Error | 0.05 |
Confidence | 0.95 |
Power | 0.5 |
Population Variance | 0.13 |
z(alpha/2) + z(beta) | 1.95996398454005 |
z(alpha) + z(beta) | 1.64485362695147 |
Minimum Sample Size (2 sided test) | 85.915055062179 |
Minimum Sample Size (1 sided test) | 72.8480987463532 |
Minimum Sample Size (for Infinite Populations) | |
Population Size | infinite |
Margin of Error | 0.05 |
Confidence | 0.95 |
Power | 0.5 |
Population Variance | 0.13 |
z(alpha/2) + z(beta) | 1.95996398454005 |
z(alpha) + z(beta) | 1.64485362695147 |
Minimum Sample Size (2 sided test) | 199.755858676094 |
Minimum Sample Size (1 sided test) | 140.688259612961 |
Minimum Sample Size (Unknown Population Variance) | |
Population Size | 150 |
Margin of Error | 0.05 |
Confidence | 0.95 |
Power | 0.5 |
Population Variance | unknown |
t(alpha/2) + t(beta) | 1.98829662097756 |
t(alpha) + t(beta) | 1.66633961643040 |
Minimum Sample Size (2 sided test) | 86.9664036064099 |
Minimum Sample Size (1 sided test) | 73.8209531949952 |
Minimum Sample Size (Infinite Population, Unknown Population Variance) | |
Population Size | infinite |
Margin of Error | 0.05 |
Confidence | 0.95 |
Power | 0.5 |
Population Variance | unknown |
t(alpha/2) + t(beta) | 1.97197136374429 |
t(alpha) + t(beta) | 1.65583512700514 |
Minimum Sample Size (2 sided test) | 202.210895090231 |
Minimum Sample Size (1 sided test) | 142.573078326854 |