Memory capacity of 9 students was tested before and after training. Using a proper inferential statistics test, state at 5 per cent level of significance whether the training was effective from the following scores. (include the test results in answer) [CO3, CO4] (10 Marks) Student 1 2 3 4 5 6 7 8 9 Before Training 10 15 9 3 7 12 16 17 4 After Training 12 17 8 5 6 11 18 20 3