Use the Wilcoxon Rank-Sum Approach to Test the Claim That

question 20

Essay

Use the Wilcoxon rank-sum approach to test the claim that students at two colleges achieve the same distribution of grade averages. The sample data is listed below. Use a 0.05 level of significance. $\begin{array}{llllllllllll}\text { College A } & 3.2 & 4.0 & 2.4 & 2.6 & 2.0 & 1.8 & 1.3 & 0.0 & 0.5 & 1.4 & 2.9 \\\hline \text { College B } & 2.4 & 1.9 & 0.3 & 0.8 & 2.8 & 3.0 & 3.1 & 3.1 & 3.1 & 3.5 & 3.5\end{array}$

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Definitions:

Face Value

The original value or nominal value of a security as stated by the issuer, often used in the context of bonds or other fixed-income securities.

Weighted Average Flotation

An average calculation of flotation costs for new securities, weighted by the proportion each security contributes to the total amount issued.

Capital Structure

Capital structure describes the mix of a company's long-term debt, specific short-term debt, common equity, and preferred equity, which collectively finance the company's operations and growth.

Flotation Costs

Expenses incurred by a company in issuing new securities, including fees for underwriting, legal counsel, and registration.