Minimum Sample Size
Population Size105
Margin of Error0.95
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)67.4976069631723
Minimum Sample Size (1 sided test)62.9817815904383


Minimum Sample Size (for Infinite Populations)
Population Sizeinfinite
Margin of Error0.95
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)187.181418457123
Minimum Sample Size (1 sided test)155.887268269209


Minimum Sample Size (Unknown Population Variance)
Population Size105
Margin of Error0.95
Confidence0.95
Power0.95
Population Varianceunknown
t(alpha/2) + t(beta)3.66437840026756
t(alpha) + t(beta)3.33962321468947
Minimum Sample Size (2 sided test)68.2839911476554
Minimum Sample Size (1 sided test)63.7385529644809


Minimum Sample Size
(Infinite Population, Unknown Population Variance)
Population Sizeinfinite
Margin of Error0.95
Confidence0.95
Power0.95
Population Varianceunknown
t(alpha/2) + t(beta)3.62586660130546
t(alpha) + t(beta)3.30950203143214
Minimum Sample Size (2 sided test)189.373752837686
Minimum Sample Size (1 sided test)157.768917505479