Minimum Sample Size
Population Size105
Margin of Error0.5
Confidence0.95
Power0.5
Population Variance0.13
z(alpha/2) + z(beta)1.95996398454005
z(alpha) + z(beta)1.64485362695147
Minimum Sample Size (2 sided test)1.97875926961299
Minimum Sample Size (1 sided test)1.40145186875144


Minimum Sample Size (for Infinite Populations)
Population Sizeinfinite
Margin of Error0.5
Confidence0.95
Power0.5
Population Variance0.13
z(alpha/2) + z(beta)1.95996398454005
z(alpha) + z(beta)1.64485362695147
Minimum Sample Size (2 sided test)1.99755858676094
Minimum Sample Size (1 sided test)1.40688259612961


Minimum Sample Size (Unknown Population Variance)
Population Size105
Margin of Error0.5
Confidence0.95
Power0.5
Population Varianceunknown
t(alpha/2) + t(beta)13.3767094501573
t(alpha) + t(beta)111.536735066907
Minimum Sample Size (2 sided test)49.581722805574
Minimum Sample Size (1 sided test)103.338665855899


Minimum Sample Size
(Infinite Population, Unknown Population Variance)
Population Sizeinfinite
Margin of Error0.5
Confidence0.95
Power0.5
Population Varianceunknown
t(alpha/2) + t(beta)12.7799263408889
t(alpha) + t(beta)104.153477117655
Minimum Sample Size (2 sided test)84.9297889848434
Minimum Sample Size (1 sided test)5640.93233376292