Use the Wilcoxon Rank Sum Test on the Data Below

question 62

Essay

Use the Wilcoxon rank sum test on the data below to determine at the 5% significance level whether the location of population A is to the left of the location of population
B. $\begin{array} { | l | l | l | l | l | l | } \hline \text { Sample } A : & 75 & 60 & 67 & 54 & 69 \\\hline \text { Sample B: } & 80 & 84 & 100 & 74 & 90 \\\hline\end{array}$

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Definitions:

Net Income

The net income of a company, which is the remaining amount after deducting all expenses and taxes from the total revenue.

Warranty Expense

Warranty expense is the estimated cost a company expects to incur for repairing, replacing, or compensating for defective products under warranty.

Estimated Warranty Liability

A provision in the financial statements estimating the cost a company expects to incur under its product warranty commitments.

Customer Warranties

Promises made by sellers to buyers to repair or replace products that fail within a certain period of time after sale.