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

question 187

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, at the 0.05 level of significance, the decision for this hypothesis test would be

• A) reject the null hypothesis.
• B) do not reject the null hypothesis.
• C) reject the alternative hypothesis.
• D) It cannot be determined from the information given.

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Definitions:

Cerebrospinal Fluid

A clear, colorless body fluid found in the brain and spinal cord, which protects and cushions these structures.

Cerebrum

The largest part of the brain, responsible for voluntary movements, cognition, learning, and memory.

Autonomic Nervous System

The part of the nervous system that controls involuntary actions of the body, such as heart rate, digestion, and respiratory rate.

Voluntary Movements

Voluntary movements are conscious, intentional motor activities controlled by the brain, such as walking, speaking, and writing.