In 2011,the Student Body of a State University in Alabama

question 132

Essay

In 2011,the student body of a state university in Alabama consists of 30% freshmen,25% sophomores,27% juniors,and 18% seniors.A sample of 400 students taken from the 2012 student body showed that there are 138 freshmen,88 sophomores,94 juniors,and 80 seniors.Test with 5% significance level to determine whether the student body proportions have changed.

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Definitions:

Food, Conservation, and Energy Act

A law enacted by the United States governing agriculture, forestry, and food policy, also known as the 2008 Farm Bill.

Freedom to Farm Act

Legislation aimed at reducing government restrictions on farming, allowing farmers more freedom in deciding what crops to plant and how to manage their land.

Conservation Reserve Program

A U.S. government program designed to reduce agricultural production by compensating farmers for not planting part of their land to improve environmental quality.

Effectiveness

The degree to which objectives are achieved and the extent to which targeted problems are solved.