Minimum Sample Size
Population Size105
Margin of Error0.99
Confidence0.95
Power0.95
Population Variance13
z(alpha/2) + z(beta)3.60481761149153
z(alpha) + z(beta)3.28970725390294
Minimum Sample Size (2 sided test)65.4864963938431
Minimum Sample Size (1 sided test)60.8867730244923


Minimum Sample Size (for Infinite Populations)
Population Sizeinfinite
Margin of Error0.99
Confidence0.95
Power0.95
Population Variance13
z(alpha/2) + z(beta)3.60481761149153
z(alpha) + z(beta)3.28970725390294
Minimum Sample Size (2 sided test)172.361218403788
Minimum Sample Size (1 sided test)143.544801155965


Minimum Sample Size (Unknown Population Variance)
Population Size105
Margin of Error0.99
Confidence0.95
Power0.95
Population Varianceunknown
t(alpha/2) + t(beta)3.66626754726354
t(alpha) + t(beta)3.34139680058058
Minimum Sample Size (2 sided test)66.3160553978437
Minimum Sample Size (1 sided test)61.6823327340354


Minimum Sample Size
(Infinite Population, Unknown Population Variance)
Population Sizeinfinite
Margin of Error0.99
Confidence0.95
Power0.95
Population Varianceunknown
t(alpha/2) + t(beta)3.62769863528281
t(alpha) + t(beta)3.31122723734881
Minimum Sample Size (2 sided test)174.556235128687
Minimum Sample Size (1 sided test)145.428972171909