WebCab Probability and Statistics for COM v3.3 Demo

NormalConfidence.SidePercentage Method 

Evaluates the bounds of the Upper and Lower one-sided confidence intervals for a given proportion of the sample.

public double[] SidePercentage(
   int size,
   double proportion,
   double confidence
);

Parameters

size
The size of the sample.
proportion
The sample proportion (or percentage) given in absolute terms (i.e. 1 percent = 1). Recall, that the proportion of a sample is the percentage of items within the entire population which are contained within the sample considered.
confidence
The confidence level required given in absolute terms (i.e. 1 percent = 1) with which the confidence level returned contains the proportion percentage of the sample.

Return Value

double[] an array of length two corresponding to the upper and lower boundaries of the confidence interval. The first term of the array returned corresponds to the lower bound of the boundary and the second terms to the upper bound of the boundary of the confidence interval.

Remarks

Further Details

When the sample's proportion and the size are known we can calculate the one-sided confidence interval for the population proportion at a given confidence level. The confidence interval returned represents the interval in which the proportion (or percentage) of the sample is believed to lie to a given degree of confidence set.

See Also

NormalConfidence Class | WebCab.COM.Statistics.Hypothesis Namespace