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SCENARIO 12-11
The director of admissions at a state college is interested in seeing if admissions status (admitted,waiting list,denied admission)at his college is independent of the type of community in which an applicant resides.He takes a sample of recent admissions decisions and forms the following table:
He will use this table to do a chi-square test of independence with a level of significance of 0.01.
-Referring to Scenario 12-11,the null hypothesis will be rejected.
Class Rank
A measure of how a student's performance compares to others in their group or grade level, often expressed as a percentile or as a rank.
Ordinal Random Variable
A random variable that has outcomes which can be ordered or ranked but does not necessarily have a quantitative value.
Nominal Random Variable
A variable that represents data which can be classified into distinct categories with no logical order.
Nominal Data
Data classified into categories that cannot be ordered or ranked; purely qualitative.
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