In 2000,the Student Body of a State University in Michigan

question 12

Essay

In 2000,the student body of a state university in Michigan consists of 30% freshmen,25% sophomores,27% juniors,and 18% seniors.A sample of 400 students taken from the 2000 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.
H₀: _______________________________________________________
H₁: _______________________________________________________
Test statistic = ____________________
Critical Value = ____________________
Conclusion: ___________________________

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Definitions:

Situations

Various circumstances or scenarios that can occur in a professional or personal context, often requiring specific responses.

Rational Approaches

Decision-making processes that are based on logical reasoning, systematic analysis, and factual evidence.

Test Validation

The process of ensuring that an assessment tool accurately measures what it is intended to measure and is reliable and fair.

Content Validity

The extent to which a test or assessment measures all aspects of the concept or content it intends to evaluate.