Question: C. A supervisor proposes a course designed to increase the sales performance of his agents. To evaluate the effectiveness of this course, the supervisor gave

C. A supervisor proposes a course designed to increase the sales performance of his agents. To evaluate the effectiveness of this course, the supervisor gave tests to the agents before and after the course. The result of the tests are shown below. At 0.05 significance level, test the claim that the course is effective. (20 points) Before After Student (X) (Y) 1 200 200 2 170 160 3 135 120 4 167 169 UT 200 205 6 100 130 7 100 105 8 127 120 9 95 100 10 100 95 11 136 135 12 112 115 Hypothesis: Ho: Ha: Level of Significance: a = df = Critical/Tabular Value: Decision Rule: At level of significance, accept Ho if Statistic: Computed Value: Decision: Conclusion

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