الطرائق المعلمية و اللامعلمية لاختبارات عدم تجانس التباين مع تطبيق عملي

We dealt in this research analysis of variance and what are the assumptions and the basic conditions upon which the analysis of variance and in case of violation of at least one of these conditions resort to tests alternative which Nonparametric tests and then the comparison between the Parametric tests and Nonparametric tests and Selection Test best among the tests mentioned was the use of simulation method to calculate the power of the test.It was the application this tests on real data obtained from the college Medical Technical University of Baghdad by Esteban statistician for 2014 and after testing, we found that it is distributed normal distributed but contain the problem of not homogeneity of variances.