In statistics, two-sample tests are used to determine whether two sam- ples have been drawn from the same population. An example of such a test is the widely used Kolmogorov–Smirnov two-sample test. There are other distribution- free tests that might be applied in similar occasions. In this...

Let {X1, …, Xn} and {Y1, …, Ym} be two samples of independent and identically distributed observations with common continuous cumulative distribution functions F(x)=P(X≤x) and G(y)=P(Y≤y), respectively. In this article, we would like to test the no quantile treatment effect hypothesis...