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

question 95

Multiple Choice

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 hypotheses the dean should use are

• A) H₀: π₁ - π₂ = 0 versus H₁: π₁ - π₂ ≠ 0.
• B) H₀: π₁ - π₂ ≠ 0 versus H₁: π₁ - π₂ = 0.
• C) H₀: π₁ - π₂ ≤ 0 versus H₁: π₁ - π₂ > 0.
• D) H₀: π₁ - π₂ ≥ 0 versus H₁: π₁ - π₂ < 0.

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Definitions:

Groupthink

A psychological phenomenon occurring within a group of people, where the desire for harmony or conformity in the group results in an irrational or dysfunctional decision-making outcome.

Cohesiveness

The degree to which members of a group or team are united in pursuing common goals and how connected they feel to the group.

Collectivism

A cultural or social perspective that emphasizes the importance of the group over individual interests or identities.

Conformity

The adjustment of one's behaviors, attitudes, or beliefs to align with the norms, attitudes, or behaviors of a group or society.