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java.lang.Objectorg.statcato.statistics.inferential.HypothesisTest2Var
public class HypothesisTest2Var
A hypothesis test for 2 population variances.
| Constructor Summary | |
|---|---|
HypothesisTest2Var(int n1,
int n2,
double var1,
double var2,
double confidenceLevel,
int testType)
Constructor |
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| Method Summary | |
|---|---|
java.lang.String |
criticalValue()
Returns the critical value corresponding to the given confidence level and type of test. |
int |
DOF1()
Returns the degree of freedom 1. |
int |
DOF2()
Returns the degree of freedom 2. |
double |
pValue()
Returns the p-value in a F distribution. |
double |
testStatistics()
Returns the test statistics F = var1 / var2. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
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public HypothesisTest2Var(int n1,
int n2,
double var1,
double var2,
double confidenceLevel,
int testType)
n1 - sample size 1n2 - sample size 2var1 - sample variance 1var2 - sample variance 2confidenceLevel - confidence leveltestType - type of test (as defined in HypothesisTest)| Method Detail |
|---|
public double testStatistics()
public int DOF1()
public int DOF2()
public java.lang.String criticalValue()
HypothesisTestpublic double pValue()
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