Dipartimento di Scienze Statistiche

    In person.Room 34 (CU002)  Webinar^.https://uniroma1.zoom.us/j/86881977368?pwd=SWRFc VFjMDZTa0lXZk05TE1zNm5adz09  Passcode: 432940    Testing for treatment effect in multitreatment case Pier Luigi Conti Sapienza University of Rome In the present seminar, the problem of testing for the presence/absence of a treatment effect is discussed. A new teststatistic, essentially based on the same principles as the classical Kruskal-Wallis test, is introduced, and its theoretical properties are studied. The good behaviour of the proposed test in terms of both significance level and power, with respect to other commonly used test procedures, is shown through a simulation study. Test-statistics for stochastic dominance problems are also  studied.