A statistics professor asked students in a class their ages. On the basis of this information, the professor states that the average age of all the students in the university is 24 years. This is an example of
A) a census
B) Data and Statistics
C) an experiment
D) statistical inference

Question

Quizplus · Accepted Answer

This statement represents a statistical inference, which is a conclusion made about a larger population based on a sample of data. The professor used the sample of ages from the students in their class to make an inference about the average age of all students in the university.

A Statistics Professor Asked Students in a Class Their Ages