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TTestUnEqualVariances Method
See Also 
Dundas.Charting.WebControl Namespace > Statistics Class : TTestUnEqualVariances Method


hypothesizedMeanDifference
Hypothesized Mean Difference
probability
Probability
firstInputSeriesName
First Input Series Name
secondInputSeriesName
Second Input Series Name
This analysis tool and its formulas perform a two-sample student's t-test. This t-test form assumes that the variances of both ranges of data are unequal; it is referred to as a heteroscedastic t-test. You can use a t-test to determine whether two sample means are equal. Use this test when the groups under study are distinct. Use a paired test when there is one group before and after a treatment.

Syntax

Visual Basic (Declaration)  
Public Function TTestUnEqualVariances( _
   ByVal hypothesizedMeanDifference As Double, _
   ByVal probability As Double, _
   ByVal firstInputSeriesName As String, _
   ByVal secondInputSeriesName As String _
) As TTestResult
Visual Basic (Usage) Copy Code
Dim instance As Statistics
Dim hypothesizedMeanDifference As Double
Dim probability As Double
Dim firstInputSeriesName As String
Dim secondInputSeriesName As String
Dim value As TTestResult
 
value = instance.TTestUnEqualVariances(hypothesizedMeanDifference, probability, firstInputSeriesName, secondInputSeriesName)

Parameters

hypothesizedMeanDifference
Hypothesized Mean Difference
probability
Probability
firstInputSeriesName
First Input Series Name
secondInputSeriesName
Second Input Series Name

Return Value

Returns Result class from T Test

Requirements

Target Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows Server 2008 family

See Also