A computer company conducted a new and improved course designed to train its service representatives in learning

Question:

A computer company conducted a €œnew and improved€ course designed to train its service representatives in learning to repair personal computers. One hundred trainees were split into two groups on a random bases: 50 took the customary course and 50 took the new course. At the end of 6 weeks, all 100 trainees were given the same final examination. Using a chi-square, test the null hypothesis that the new course was no better than the customary course in terms of teaching service representatives to repair personal computers. What do your results indicate?