Question

question 3 · 1 point
a student wants to estimate the average age of the students at her university campus. there are over 30,000 students attending classes at her campus. she randomly asks 100 students about their age. this portion of the overall student body is called:
select the correct answer below:
○ a variable
○ a sample
○ a population
○ data

Explanation:

To solve this, we recall the definitions: A sample is a subset of the population (the entire group we want to study) selected for analysis. Here, the overall student body (over 30,000) is the population. The 100 students asked are a subset (sample) of this population. A variable is a characteristic being measured, data is the collected values, and population is the entire group. So the 100 students form a sample.

Answer:

B. a sample