A single measure group techniques before and after studying the statistics used are the average and standard deviation for performance tool using formula E1/E2 and the t-test.
Using a single measured before and after learning that the mean value and standard deviation. And efficiency tools using the formula E1 / E2 and test the t.
Using the technique, one group measured before and after the study, the mean, standard deviation, and effective tool using the formula E1 / E2 and test the T