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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.
Distributive Property
A property in algebra that allows for the multiplication of a single term and two or more terms inside a set of parentheses.
Coefficients
Numbers or constants placed before and multiplying the variables in an algebraic expression, indicating their relation.
Simplify
The process of making an expression or equation easier to understand or solve by reducing its complexity.
Like Terms
Terms in an algebraic expression that have the same variables raised to the same powers, allowing them to be combined through addition or subtraction.
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