TABLE 10-5
to Test the Effectiveness of a Business School

question 43

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 thecourse. The results are given below
$$\begin{array}{l}\quad \quad \quad \quad \quad \quad \quad \quad \text { Exam Score } \quad \text { Exam Score }\\\begin{array} { c c c } \text { Student } & \text { Before Course (1) } & \text { After Course (2) } \\\hline 1 & 530 & 670 \\2 & 690 & 770 \\3 & 910 & 1,000 \\4 & 700 & 710 \\5 & 450 & 550 \\6 & 820 & 870 \\7 & 820 & 770 \\8 & 630 & 610 \\\hline\end{array}\end{array}$$

-Referring to Table 10-11, if the firm wanted to test whether a greater proportion of workers would currently like to attend a self-improvement course than in the past, which represents the relevant hypotheses?

• A) \( H_{0}: \pi_{1}-\pi_{2} \leq 0 \) versus \( H_{1}: \pi_{1}-\pi_{2}>0 \)
• B) \( H_{0}: \pi_{1}-\pi_{2} \neq 0 \) versus \( H_{1}: \pi_{1}-\pi_{2}=0 \)
• C) \( H_{0}: \pi_{1}-\pi_{2}=0 \) versus \( H_{1}: \pi_{1}-\pi_{2} \neq 0 \)
• D) \( H_{0}: \pi_{1}-\pi_{2} \geq 0 \) versus \( H_{1}: \pi_{1}-\pi_{2}<0 \)

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Definitions:

Influencing Odds

The act of affecting the probability or likelihood of a particular outcome or event.

Share the Risk

A strategy where risks are distributed among different parties, such as through partnerships or insurance, to reduce the impact on any single entity.

Conservation

The protection, preservation, management, and restoration of natural environments and wildlife.

Resources

Refers to a broad range of assets, including financial, human, technological, and natural resources, available for use in the production of goods or delivery of services.