The Chancellor of a Major University Was Concerned About Alcohol

question 64

Multiple Choice

The chancellor of a major university was concerned about alcohol abuse on her campus and
Wanted to find out the proportion of students at her university who visited campus bars on the
Weekend before the final exam week.Her assistant took a random sample of 250 students and
Computed the portion of students in the sample who visited campus bars on the weekend before
The final exam.The portion of all students at her university who visited campus bars on the
Weekend before the final exam week is an example of

• A) a categorical variable.
• B) a discrete variable.
• C) a parameter.
• D) a statistic.

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Definitions:

Hemophilia

Genetic disorder that is caused by a deficiency of a clotting factor in the blood.

Klinefelter Syndrome

A genetic condition in males resulting from an extra X chromosome (XXY), characterized by reduced fertility, testicular atrophy, and sometimes lower levels of testosterone.

XXY

A chromosomal condition where an individual has an extra Y chromosome, typically resulting in Klinefelter syndrome, characterized by physical and sometimes cognitive features.

Sex Chromosomes

Chromosomes that determine the sex of an organism, typically referred to as X and Y in many species.