Comparison Between Two-Sample Adaptive Tests And Traditional Tests Under Symmetric And Skewed Distributions For Location Problem

Research Article
Chikhla Jun Gogoi and Bipin Gogoi
DOI: 
http://dx.doi.org/10.24327/ijrsr.2017.0807.0448
Subject: 
science
KeyWords: 
t test, wilcoxon test, adaptive test, power, monte carlo simulation
Abstract: 

The most familiar test for two sample location problem is the parametric t test and non parametric wilcoxon test provided the parent distribution is normal. But if the data set follows a skewed distribution then these two tests may give an inaccurate result. In this paper it is tried to give a solution to this problem by the use of adaptive tests. Power comparisons are made here between t test, wilcoxon test and proposed adaptive tests by monte carlo simulation method.