TTest Class

[SerializableAttribute]
public class TTest : HypothesisTest<TDistribution>

<SerializableAttribute>
Public Class TTest
	Inherits HypothesisTest(Of TDistribution)

// Consider a sample generated from a Gaussian
// distribution with mean 0.5 and unit variance.

double[] sample = 
{ 
    -0.849886940156521,    3.53492346633185,  1.22540422494611, 0.436945126810344, 1.21474290382610,
     0.295033941700225, 0.375855651783688, 1.98969760778547, 1.90903448980048,    1.91719241342961
};

// One may rise the hypothesis that the mean of the sample is not
// significantly different from zero. In other words, the fact that
// this particular sample has mean 0.5 may be attributed to chance.

double hypothesizedMean = 0;

// Create a T-Test to check this hypothesis
TTest test = new TTest(sample, hypothesizedMean,
       OneSampleHypothesis.ValueIsDifferentFromHypothesis);

// Check if the mean is significantly different
test.Significant should be true

// Now, we would like to test if the sample mean is
// significantly greater than the hypothesized zero.

// Create a T-Test to check this hypothesis
TTest greater = new TTest(sample, hypothesizedMean,
       OneSampleHypothesis.ValueIsGreaterThanHypothesis);

// Check if the mean is significantly larger
greater.Significant should be true

// Now, we would like to test if the sample mean is
// significantly smaller than the hypothesized zero.

// Create a T-Test to check this hypothesis
TTest smaller = new TTest(sample, hypothesizedMean,
       OneSampleHypothesis.ValueIsSmallerThanHypothesis);

// Check if the mean is significantly smaller
smaller.Significant should be false