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. The portion of students in the sample who visited campus bars on the weekend before the final exam week is an example of ________.
A) a population
B) a sample
C) a parameter
D) a statistic

Question

Quizplus · Accepted Answer

The portion of students in the sample who visited campus bars on the weekend before the final exam week is an example of a statistic because it is a numerical value calculated from a sample (250 students). A population refers to the entire group of individuals or objects of interest, in this case, all students at the university. A parameter is a numerical value calculated from the entire population, which is usually unknown and estimated using sample statistics.

The Chancellor of a Major University Was Concerned About Alcohol