SCENARIO 10-5 To test the effectiveness of a business school preparation course, 8 students took a general business test before and after the course. The
SCENARIO 10-5 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 given below. Exam Score Exam Score Student Before Course 1 11 After Course (2) 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 Referring to Scenario 10-6, what is the 95% confidence interval estimate for the mean difference in weight before and after the diet
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