Minimum Sample Size
Population Size105
Margin of Error0.015
Confidence0.95
Power0.95
Population Variance13
z(alpha/2) + z(beta)3.60481761149153
z(alpha) + z(beta)3.28970725390294
Minimum Sample Size (2 sided test)104.985457634409
Minimum Sample Size (1 sided test)104.982538760421


Minimum Sample Size (for Infinite Populations)
Population Sizeinfinite
Margin of Error0.015
Confidence0.95
Power0.95
Population Variance13
z(alpha/2) + z(beta)3.60481761149153
z(alpha) + z(beta)3.28970725390294
Minimum Sample Size (2 sided test)750805.467366902
Minimum Sample Size (1 sided test)625281.153835384


Minimum Sample Size (Unknown Population Variance)
Population Size105
Margin of Error0.015
Confidence0.95
Power0.95
Population Varianceunknown
t(alpha/2) + t(beta)3.64268031331623
t(alpha) + t(beta)3.31927988329019
Minimum Sample Size (2 sided test)104.985758334620
Minimum Sample Size (1 sided test)104.982848460435


Minimum Sample Size
(Infinite Population, Unknown Population Variance)
Population Sizeinfinite
Margin of Error0.015
Confidence0.95
Power0.95
Population Varianceunknown
t(alpha/2) + t(beta)3.60482280065355
t(alpha) + t(beta)3.28971212778678
Minimum Sample Size (2 sided test)750807.628948675
Minimum Sample Size (1 sided test)625283.006614208