Explain the general rationale behind using a z-score for describing how
Explain the general rationale behind using a z-score for describing how an individual performed on an e x a m compared to just stating the overall mean and the individual’s score. How does the information differ in the two situations? What additional information are you gaining with a z-score?
Imagine you are in charge of reviewing applications for your academic institution. As a preliminary measure, you want to review only the top 25% of applicants on the basis of standardized test scores. How does calculating the z-score provide additional information regarding how each subject did overall? Provide specific examples of how you would use the information and interpret the scores.
Justify your answers with appropriate reasoning and research from your textbook and course readings.
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Explain why a z-score is better than just providing the overall mean and the individual’s score for explaining how an individual performed on an e x a m. What are the differences in the information in the two scenarios? What more information does a z-score provide?
Assume you are in charge of reviewing applications for your university. As a preliminary measure, you want to review only the top 25% of applicants on the basis of standardized test scores. How does calculating the z-score provide additional information regarding how each subject did overall? Provide specific examples of how you would use the information and interpret the scores.
Justify your answers with appropriate reasoning and research from your textbook and course readings.