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TABLE 12-2
The dean of a college is interested in the proportion of graduates from his college who have a job offer on graduation day. He is particularly interested in seeing if there is a difference in this proportion for accounting and economics majors. In a random sample of 100 of each type of major at graduation, he found that 65 accounting majors and 52 economics majors had job offers. If the accounting majors are designated as "Group 1" and the economics majors are designated as "Group 2," perform the appropriate hypothesis test using a level of significance of 0.05.
-Referring to Table 12-2, the same decision would be made with this test if the level of significance had been 0.01 rather than 0.05.
Revenues
The total income received by a company from its business activities, typically from the sale of goods and services before any expenses are deducted.
Income From Operations
The earnings generated from a company's primary business activities, excluding non-operating income and expenses.
Investment Center
A business unit within an organization that is responsible for its own revenue, expenses, and investments, and is analyzed for profitability.
Service Department
A segment within a company that provides support services to the production departments or other direct operational areas, helping them operate efficiently.
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