The Chancellor of a Major University Was Concerned About Alcohol

question 54

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.

---

Definitions:

Huntington's Disease

A genetic disorder that causes the progressive breakdown of nerve cells in the brain, affecting physical and cognitive abilities.

Down Syndrome

A genetic disorder caused by the presence of an extra 21st chromosome, leading to developmental and physical changes.

Cystic Fibrosis

A genetic disorder that affects mostly the lungs, but also the pancreas, liver, kidneys, and intestine, leading to severe respiratory and digestive problems.

Gene Mutation

A permanent alteration in the DNA sequence that makes up a gene, leading to a potential change in the trait or function.