Mathematics, 14.04.2020 20:18, ayoismeisalex

To test the effectiveness of a business school preparation course, 8 students took a general business test before and after the course. The results are in the accompanying table. The preparation course is effective in improving exam scores if µd > 0, where µd = µAfter - µBefore. Student Exam Score Before Course Exam Score After Course 1 530 670 2 690 770 3 910 1,000 4 700 710 5 450 550 6 820 870 7 820 770 8 630 610 Hypothesis test is to determine whether the business school preparation course is effective in improving exam scores with HA: µd > 0.The p-value is 0.0331. At the 0.05 level of significance, what is the conclusion for this hypothesis test?

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