com.github.chen0040.si.testing

Class TestingOnProportionDifference

java.lang.Object

com.github.chen0040.si.testing.TestingOnProportionDifference

public class TestingOnProportionDifference
extends Object

Created by xschen on 9/5/2017. H_0: the proportion difference p_1 = p_2 H_A: the proportion difference p_1 != p_2

Constructor Summary

Constructors

Constructor and Description
TestingOnProportionDifference()

Method Summary

Modifier and Type	Method and Description
String	getSummary()
void	report()
void	run(String successLabel, double pHat1, double pHat2, int sampleSize1, int sampleSize2)
String	toString()
boolean	willRejectH0(double significanceLevel, boolean twoTails) The method reject null hypothesis if the p-value calculated from the sample is smaller than the significance level

Methods inherited from class java.lang.Object

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

Constructor Detail

TestingOnProportionDifference

public TestingOnProportionDifference()

Method Detail

run

public void run(String successLabel,
                double pHat1,
                double pHat2,
                int sampleSize1,
                int sampleSize2)

getSummary

public String getSummary()

toString

public String toString()

Overrides:

toString in class Object

report

public void report()

willRejectH0

public boolean willRejectH0(double significanceLevel,
                            boolean twoTails)

The method reject null hypothesis if the p-value calculated from the sample is smaller than the significance level

Parameters:

significanceLevel - the significance level, usually about 0.05

twoTails - true if the testing is two tails; false otherwise

Returns:

true if the null hypothesis H_0 is rejected; false if H_0 fails to be rejected