HypothesisTest1MeanSigmaKnown







function windowTitle()
{
if (location.href.indexOf('is-external=true') == -1) {
parent.document.title="HypothesisTest1MeanSigmaKnown";
}
}



















Overview 
Package 
 Class 
Use 
Tree 
Deprecated 
Index 
Help 










 PREV CLASS 
 NEXT CLASS

FRAMES  
 NO FRAMES  
 



All Classes







SUMMARY: NESTED | FIELD | CONSTR | METHOD

DETAIL: FIELD | CONSTR | METHOD









org.statcato.statistics.inferential

Class HypothesisTest1MeanSigmaKnown

java.lang.Object
org.statcato.statistics.inferential.HypothesisTest1MeanSigmaKnown



public class HypothesisTest1MeanSigmaKnownextends java.lang.Object



A hypothesis test for 1 population mean, population standard deviation known.




Since:
1.0
Version:
%I%, %G%
Author:
Margaret Yau











Constructor Summary


HypothesisTest1MeanSigmaKnown(int n,
double mu,
double sigma,
double confidenceLevel,
int testType)


          Constructor.


 






Method Summary



 java.lang.String
criticalValue()


          Returns the critical value corresponding to the given confidence level and type of test.



 double
pValue(double xBar)


          Returns the p-value corresponding to xBar in a z distribution.



 double
testStatistics(double xBar)


          Returns the test statistics for the given sample mean xBar.


 


Methods inherited from class java.lang.Object


clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait


 








Constructor Detail




HypothesisTest1MeanSigmaKnown

public HypothesisTest1MeanSigmaKnown(int n,
double mu,
double sigma,
double confidenceLevel,
int testType)

Constructor.


Parameters:n - sample sizemu - hypothesized meansigma - population standard deviationconfidenceLevel - confidence leveltestType - (as defined in HypothesisTest)








Method Detail




testStatistics

public double testStatistics(double xBar)

Returns the test statistics for the given sample mean xBar. z = (xBar - mu) / (sigma / sqrt(n))


Parameters:xBar - sample mean
Returns:test statistic z score





criticalValue

public java.lang.String criticalValue()

Returns the critical value corresponding to the given confidence level and type of test. Uses the z distribution.



Returns:critical valueSee Also:HypothesisTest





pValue

public double pValue(double xBar)

Returns the p-value corresponding to xBar in a z distribution.


Parameters:xBar - x bar value
Returns:p-value corresponding to xBar















Overview 
Package 
 Class 
Use 
Tree 
Deprecated 
Index 
Help 










 PREV CLASS 
 NEXT CLASS

FRAMES  
 NO FRAMES  
 



All Classes







SUMMARY: NESTED | FIELD | CONSTR | METHOD

DETAIL: FIELD | CONSTR | METHOD