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TABLE 12-17 A Perfume Manufacturer Is Trying to Choose Between 2 Magazine

question 128

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TABLE 12-17
A perfume manufacturer is trying to choose between 2 magazine advertising layouts. An expensive layout would include a small package of the perfume. A cheaper layout would include a "scratch-and-sniff" sample of the product. The manufacturer would use the more expensive layout only if there is evidence that it would lead to a higher approval rate. The manufacturer presents the more expensive layout to 4 groups and determines the approval rating for each group. He presents the "scratch-and-sniff" layout to 5 groups and again determines the approval rating of the perfume for each group. The data are given below. Use this to test the appropriate hypotheses with the Wilcoxon rank sum test with a level of significance of 0.05.
-Referring to Table 12-17, the hypotheses that should be used are

Definitions:

Reported Results

Reported results are the financial outcomes that a company publicly announces, detailing its performance over a specific period, including revenue, expenses, and net income.

Sales

The total receipts from transactions involving the provision of goods or services to customers.

Residual Income

This refers to the amount of net income generated by a business in excess of its minimum expected return; it is a metric used to assess the excess profit compared to the equity capital invested.

Invested Assets

Financial assets and securities that a company or individual allocates funds to with the expectation of generating income or profit.