In the Past, 35% of the Students at ABC University

question 29

Multiple Choice

In the past, 35% of the students at ABC University were in the Business College, 35% of the students were in the Liberal Arts College, and 30% of the students were in the Education College. To see whether or not the proportions have changed, a sample of 300 students from the university was taken. Ninety of the sample students are in the Business College, 120 are in the Liberal Arts College, and 90 are in the Education College. Using α = .05, the conclusion of the test is that the

• A) null hypothesis cannot be rejected.
• B) proportions have not changed significantly.
• C) proportions follow normal distribution.
• D) Marascuilo procedure is more applicable.

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Definitions:

Marginal Analysis

An examination of the benefits and costs of increasing or decreasing production or consumption by one unit.

Revenue

The complete financial proceeds a company secures from conducting sales of goods and execution of services within a predetermined interval.

Costs

The total expenditure required for production, including materials, labor, and overhead expenses.

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