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

question 153

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 number of degrees of freedom is

• A) 14.
• B) 13.
• C) 8.
• D) 7.

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Definitions:

Healthy Diet

A diet that provides the body with essential nutrition: fluid, adequate essential amino acids from protein, essential fatty acids, vitamins, minerals, and adequate calories without excessive fat and sugar.

Fish

Aquatic animals that are a source of protein, omega-3 fatty acids, and other nutrients, contributing to a healthy diet.

Water Content

The amount of water present in a substance, which can be critical for its properties or reactions.

Fruits

The seed-bearing structure in flowering plants, often edible and rich in nutrients like vitamins, minerals, and fiber.