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

question 128

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.
$$\begin{array}{l}\quad \quad \quad \quad \quad \quad \quad \quad \text { Exam Score } \quad \text { Exam Score }\\\begin{array} { c c c } \text { Student } & \text { Before Course (1) } & \text { After Course (2) } \\\hline 1 & 530 & 670 \\2 & 690 & 770 \\3 & 910 & 1,000 \\4 & 700 & 710 \\5 & 450 & 550 \\6 & 820 & 870 \\7 & 820 & 770 \\8 & 630 & 610 \\\hline\end{array}\end{array}$$
-Referring to Table 10-5, the number of degrees of freedom is

• A) 14.
• B) 13.
• C) 7.
• D) 8.

---

Definitions:

Average Days

A measure that typically refers to the average number of days an asset is held or the average number of days it takes for a company to convert certain assets into cash.

Sell Inventory

The process of selling goods that are held for sale in the ordinary course of business, turning inventory into revenue.

Inventory Turnover

A ratio showing how many times a company's inventory is sold and replaced over a period, indicating the efficiency of inventory management.

Freight-in Costs

Expenses incurred in transporting goods from the vendor to the buyer, which are often added to the cost of the goods purchased.