To Test the Effectiveness of a Business School Preparation Course

question 64

Multiple Choice

To test the effectiveness of a business school preparation course, 8 students took a general business test before and after the course. There is evidence that the before and after exam scores are not normally distributed. Which of the following tests will be the most appropriate?

• A) pooled-variance t test
• B) Wilcoxon signed rank test
• C) Wilcoxon rank sum test
• D) paired t test

---

Definitions:

Discounted Payback Period

The time it takes for the cash flows from an investment to equal the initial cost of the investment, accounting for the time value of money.

Variable Cost

Charges that directly correspond to changes in the amount of business activity or production levels.

Fixed Costs

Expenses like rent, salaries, and insurance that stay the same no matter the production or sales volume.

Operating Cash Flow

Cash generated from a company's normal business operations, indicating whether a company can maintain and grow its operations.