Question: A computer company conducted a new and improved course designed to train its service representatives in learning to repair personal computers. One hundred trainees were

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?

Skills Above average Average Below average Customary 15 25 10 "New and Improved" 19 23 8

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