WebCab Probability and Statistics for .NET v3.3 Demo

NormalConfidence.MeanSize Method 

Calculates the sample size needed for a specific error level to be obtained for a given level of confidence when the standard deviation of the sample is given.

public double MeanSize(
   double standardDeviation,
   double errorLevel,
   double confidence
);

Parameters

standardDeviation
The standard deviation of the sample required.
errorLevel
The standard error level of the sample required.
confidence
The level of confidence required given in absolute terms (i.e. 1 percent = 1).

Return Value

double the sample size required

See Also

NormalConfidence Class | WebCab.Libraries.Statistics.Hypothesis Namespace