HypothesisTestMatchedPairs







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org.statcato.statistics.inferential

Class HypothesisTestMatchedPairs

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



public class HypothesisTestMatchedPairsextends java.lang.Object



A hypothesis test for matched pairs,




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











Constructor Summary


HypothesisTestMatchedPairs(int n,
double mu,
double s,
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 dBar)


          Returns the p-value corresponding to dBar in a t distribution.



 double
testStatistics(double dBar)


          Returns the test statistics for the given sample mean of differences between matched pairs, dBar.


 


Methods inherited from class java.lang.Object


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


 








Constructor Detail




HypothesisTestMatchedPairs

public HypothesisTestMatchedPairs(int n,
double mu,
double s,
double confidenceLevel,
int testType)

Constructor.


Parameters:n - sample size of differences between matched pairsmu - hypothesized mean of differences between matched pairss - sample standard deviation of differences between matched pairsconfidenceLevel - confidence leveltestType - (as defined in HypothesisTest)








Method Detail




testStatistics

public double testStatistics(double dBar)

Returns the test statistics for the given sample mean of differences between matched pairs, dBar. t = (dBar - mu) / (s / sqrt(n))


Parameters:dBar - sample mean
Returns:test statistic t





criticalValue

public java.lang.String criticalValue()

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



Returns:critical valueSee Also:HypothesisTest





pValue

public double pValue(double dBar)

Returns the p-value corresponding to dBar in a t distribution.


Parameters:dBar -
Returns:p-value















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