EN
The paper’s aim is to present the statistical analysis of the results of both initial and final testing the students who attended compensatory classes in mathematics. The classes have been carried out as a part Warsaw University of Technology Development Programme which is cofinanced by the European Social Funds. The statistical material concerns the results gained in the affiliate Branch of Warsaw University of Technology in Płock. In the paper there have been presented basic statistical parameters describing empirical distribution of number of points achieved by students at both tests. Also the latest data from winter semester 2012–2013 have been used as compared with the results presented at the International Didactic Conference in Kraków in 2012.