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TABLE 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) 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 Table 10-5, the value of the sample mean difference is ________ if the difference scores reflect the results of the exam after the course minus the results of the exam before the course.
Q10: A powerful women's group has claimed that
Q10: True or False: A test for the
Q12: If we are testing for the difference
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Q70: Referring to Table 10-13,suppose α = 0.05.Which
Q77: True or False: If the sample sizes
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Q199: Referring to Table 10-5,at the 0.05 level