Minimum Sample Size
Population Size105
Margin of Error0.05
Confidence0.95
Power0.5
Population Variance0.87
z(alpha/2) + z(beta)1.95996398454005
z(alpha) + z(beta)1.64485362695147
Minimum Sample Size (2 sided test)97.4210228395879
Minimum Sample Size (1 sided test)94.5555276558458


Minimum Sample Size (for Infinite Populations)
Population Sizeinfinite
Margin of Error0.05
Confidence0.95
Power0.5
Population Variance0.87
z(alpha/2) + z(beta)1.95996398454005
z(alpha) + z(beta)1.64485362695147
Minimum Sample Size (2 sided test)1336.82766960155
Minimum Sample Size (1 sided test)941.529122025203


Minimum Sample Size (Unknown Population Variance)
Population Size105
Margin of Error0.05
Confidence0.95
Power0.5
Population Varianceunknown
t(alpha/2) + t(beta)1.98487370339241
t(alpha) + t(beta)1.66130441665019
Minimum Sample Size (2 sided test)97.596729722066
Minimum Sample Size (1 sided test)94.7412431788907


Minimum Sample Size
(Infinite Population, Unknown Population Variance)
Population Sizeinfinite
Margin of Error0.05
Confidence0.95
Power0.5
Population Varianceunknown
t(alpha/2) + t(beta)1.96174144853373
t(alpha) + t(beta)1.64647535266722
Minimum Sample Size (2 sided test)1339.25346979154
Minimum Sample Size (1 sided test)943.38661825535