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

question 26

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, what is the critical value for testing at the 5% level of significance whether the business school preparation course is effective in improving exam scores?

• A) 2.365
• B) 2.145
• C) 1.761
• D) 1.895

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Definitions:

High-Poverty Neighborhoods

Areas characterized by a substantial proportion of residents living below the poverty line, often facing challenges such as reduced access to quality education and healthcare.

Midwest

A geographical region of the United States generally considered to include the north-central states, known for its agriculture, conservative values, and being a significant part of the country's manufacturing belt.

South

A direction or region typically referred to as being below or toward a lower position, often used in geographical contexts.

Rio De Janeiro

is a major city in Brazil, known for its iconic Copacabana and Ipanema beaches, the Christ the Redeemer statue atop Mount Corcovado, and its vibrant Carnival festival.