Minimum Sample Size
Population Size63
Margin of Error0.05
Confidence0.95
Power0.5
Population Variance13.7808499743984
z(alpha/2) + z(beta)1.95996398454005
z(alpha) + z(beta)1.64485362695147
Minimum Sample Size (2 sided test)62.8160794155543
Minimum Sample Size (1 sided test)62.7391805218779


Minimum Sample Size (for Infinite Populations)
Population Sizeinfinite
Margin of Error0.05
Confidence0.95
Power0.5
Population Variance13.7808499743984
z(alpha/2) + z(beta)1.95996398454005
z(alpha) + z(beta)1.64485362695147
Minimum Sample Size (2 sided test)21175.427076326
Minimum Sample Size (1 sided test)14913.8753760418


Minimum Sample Size (Unknown Population Variance)
Population Size63
Margin of Error0.05
Confidence0.95
Power0.5
Population Varianceunknown
t(alpha/2) + t(beta)1.99908983185401
t(alpha) + t(beta)1.66991116982184
Minimum Sample Size (2 sided test)62.8231882811399
Minimum Sample Size (1 sided test)62.7469179447235


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)1.960076025566
t(alpha) + t(beta)1.64495581142944
Minimum Sample Size (2 sided test)21177.8481252897
Minimum Sample Size (1 sided test)14915.7284453753