In order to assess the efficacy of a training program, 5 trainees were randomly selected. Each trainee was tested twice; once before the training program and once after the training program. Based on the following test scores, Trainee Score before 1 2 3 4 5 8 7 6 8 9 training Score after training 10 8 9 -- 10 Test the hypothesis that the training program was effective (i.e., the mean score after training is greater than the mean score before training. (Use α = 0.05)

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