TABLE 10-5 To Test the Effectiveness of a Business School Preparation Course

question 58

Multiple Choice

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.

• A) 0
• B) 50
• C) 68
• D) 400

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Definitions:

Former Soviet Union

Refers to the socialist federation that existed from 1922 to 1991, comprising several republics including Russia, Ukraine, and others, which disbanded to become independent countries.

U.S. Labor Relations

The interaction between labor unions, employers, and the government in the United States, focusing on the negotiation and enforcement of labor contracts and the rights and obligations of parties in the workplace.

German Labor Law

A set of legal statutes in Germany that governs employment relationships, worker protections, union activities, and workplace conditions.

Works Councils

Employee representative bodies in a company or organization that participate in discussing and often co-determining company policies on behalf of the workers.