To Test the Effectiveness of a Business School Preparation Course

question 27

Multiple Choice

To test the effectiveness of a business school preparation course, 8 students took a general
Business test before and after the course.Suppose the before and after exam scores are both
Normally distributed.Which of the following tests will be the most appropriate?

• A) Pooled-variance t test.
• B) Paired t test.
• C) Wilcoxon rank sum test.
• D) Kruskal-Wallis rank Test.

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Definitions:

Cumulative Preferred Stock

A type of preferred stock that accrues dividends if they are not paid as scheduled, with these unpaid dividends to be paid out before common shareholders can receive dividends.

Unearned Interest

Interest that has been collected on a loan by the lender but not yet earned, often because the loan may be paid off early.

Estimated Property Taxes

An approximation of the property taxes due on real estate, often used for budgeting or accounting purposes before the actual tax bill is received.

Modified Cash Basis

An accounting method that combines elements of both accrual and cash basis accounting, recording some transactions on an accrual basis and others on a cash basis.