Minimum Sample Size
Population Size105
Margin of Error0.05
Confidence0.95
Power0.98
Population Variance0.13
z(alpha/2) + z(beta)4.01371289517188
z(alpha) + z(beta)3.69860253758329
Minimum Sample Size (2 sided test)93.4041269147139
Minimum Sample Size (1 sided test)91.6068530689202


Minimum Sample Size (for Infinite Populations)
Population Sizeinfinite
Margin of Error0.05
Confidence0.95
Power0.98
Population Variance0.13
z(alpha/2) + z(beta)4.01371289517188
z(alpha) + z(beta)3.69860253758329
Minimum Sample Size (2 sided test)837.714342653188
Minimum Sample Size (1 sided test)711.342358012914


Minimum Sample Size (Unknown Population Variance)
Population Size105
Margin of Error0.05
Confidence0.95
Power0.98
Population Varianceunknown
t(alpha/2) + t(beta)4.06911602697858
t(alpha) + t(beta)3.74558211896858
Minimum Sample Size (2 sided test)93.6839457102765
Minimum Sample Size (1 sided test)91.8990610288892


Minimum Sample Size
(Infinite Population, Unknown Population Variance)
Population Sizeinfinite
Margin of Error0.05
Confidence0.95
Power0.98
Population Varianceunknown
t(alpha/2) + t(beta)4.01975890804405
t(alpha) + t(beta)3.70452874334793
Minimum Sample Size (2 sided test)840.240007297573
Minimum Sample Size (1 sided test)713.623726935132