In 2003, the Student Body of a University in NSW

question 5

Essay

In 2003, the student body of a University in NSW consisted of 30% first-years, 25% second-years, 27% third-years, and 18% fourth-years. A sample of 400 students taken from the 2004 student body showed that there are 138 first-years, 88 second-years, 94 third-years, and 80 fourth-years. Test with 5% significance level to determine whether the student body proportions have changed.

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Definitions:

Behave Differently

The alteration in an individual's actions or reactions in various situations or under different circumstances.

Understand

The ability to grasp the meaning, significance, or nature of something.

People

Human beings collectively, often referred to within the context of social, professional, or cultural groups.

Environmental Factors

External elements such as economic, political, social, and physical conditions that influence individuals or organizations.