Minimum Sample Size
Population Size105
Margin of Error1
Confidence0.95
Power0.95
Population Variance0.36
z(alpha/2) + z(beta)3.60481761149153
z(alpha) + z(beta)3.28970725390294
Minimum Sample Size (2 sided test)4.51977038911598
Minimum Sample Size (1 sided test)3.79141243724298


Minimum Sample Size (for Infinite Populations)
Population Sizeinfinite
Margin of Error1
Confidence0.95
Power0.95
Population Variance0.36
z(alpha/2) + z(beta)3.60481761149153
z(alpha) + z(beta)3.28970725390294
Minimum Sample Size (2 sided test)4.67809560436301
Minimum Sample Size (1 sided test)3.89598257389739


Minimum Sample Size (Unknown Population Variance)
Population Size105
Margin of Error1
Confidence0.95
Power0.95
Population Varianceunknown
t(alpha/2) + t(beta)5.15064361577675
t(alpha) + t(beta)4.85363137895876
Minimum Sample Size (2 sided test)8.83132367263574
Minimum Sample Size (1 sided test)7.91675196556406


Minimum Sample Size
(Infinite Population, Unknown Population Variance)
Population Sizeinfinite
Margin of Error1
Confidence0.95
Power0.95
Population Varianceunknown
t(alpha/2) + t(beta)5.06155385735395
t(alpha) + t(beta)4.77645343331134
Minimum Sample Size (2 sided test)9.22295788232207
Minimum Sample Size (1 sided test)8.21322266421301