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

question 18

Essay

Use the Wilcoxon rank-sum test to test the claim that the two independent samples come from
populations with equal medians. Use the Wilcoxon rank-sum approach to test the claim that
the sample student grade averages at two colleges come from populations with the same
median. The sample data is listed below. Use a 0.05 level of significance, and assume that the
samples were randomly selected. $$\begin{array} { l l l l l l l l l l l l } \text { College A } & 3.2 & 4.0 & 2.4 & 2.6 & 2.0 & 1.8 & 1.3 & 0.0 & 0.5 & 1.4 & 2.9 \\\hline \text { College B } & 2.4 & 1.9 & 0.3 & 0.8 & 2.8 & 3.0 & 3.1 & 3.1 & 3.1 & 3.5 & 3.5\end{array}$$

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Definitions:

Work in Process Inventory

Items currently undergoing manufacturing but not yet finished.

Finished Goods Inventory

Products that have completed the manufacturing process and are ready for sale.

Indirect Labor

Labor costs not directly associated with the production of goods or the performance of a specific task, such as maintenance and administrative staff salaries.

Overhead Applied

The allocation of overhead costs to specific cost objects, such as products or projects, based on a predetermined rate or method.