SCENARIO 12-2 The Dean of a College Is Interested in the Proportion

question 153

True/False

SCENARIO 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 Scenario 12-2,the same decision would be made with this test if the level of significance had been 0.10 rather than 0.05.

Recognize how sample size and variability affect the likelihood of observing differences between sample means.

Understand the role of standard deviations in determining statistical significance of sample group differences.

Realize the importance of using representative samples for accurate generalizations.

Understand strategies to maximize chances of winning in situations of statistical disadvantage.

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