def SampleSizeKnown(self, a):
self.Result = Sampling.known_pop_sample(a)
return self.Result
def Cochran(self, a, b, c):
self.Result = Sampling.cochran(a, b, c)
return self.Result
def SampleSizeUnknown(self, a, b):
self.Result = Sampling.unknown_pop_sample(a, b)
return self.Result
def ConfidenceInterval(self, a, b):
self.Result = Sampling.confidenceInterval(a, b)
return self.Result
def MarginError(self, a, b, c):
self.Result = Sampling.marginError(a, b, c)
return self.Result
def SimpleRandomSampling(self, a, b):
self.Result = Sampling.simpleSample(a, b)
return self.Result
def SystematicSampling(self, a, b):
self.Result = Sampling.systematicSample(a, b)
return self.Result
def test_Sample_Size_Known_Population(self):
self.assertEqual(1, Sampling.known_pop_sample(self.testData)[0])
def test_Sample_Size_Unknown_Population(self):
self.assertEqual(0.03313390601098227,
Sampling.unknown_pop_sample(self.testData, .91)[0])
def test_Cochran(self):
self.assertEqual(944671.2990750178,
Sampling.cochran(self.testData, .001, .91))
def test_Margin_Error(self):
self.assertEqual(-4.2666666666666675,
Sampling.marginError(self.testData)[0])
def test_Confidence_Interval(self):
self.assertEqual([7.734108247895442, 10.799225085437893],
Sampling.confidenceInterval(self.testData, .91))