public void PowerTest1()
{
// Example from http://wise.cgu.edu/powermod/computing.asp
double mean = 105;
double stdDev = 10;
int samples = 25;
double hypothesizedMean = 100;
OneSampleHypothesis hypothesis = OneSampleHypothesis.ValueIsGreaterThanHypothesis;
ZTest target = new ZTest(mean, stdDev, samples, hypothesizedMean, hypothesis);
var power = target.Analysis;
Assert.AreEqual(0.804, power.Power, 1e-3);
mean = 90;
target = new ZTest(mean, stdDev, samples, hypothesizedMean, hypothesis);
power = target.Analysis;
Assert.AreEqual(0.0, power.Power, 1e-3);
}