A statistics student is interested in determining whether studying in the room the class is held in improves scores on exams. She has half a class study in their normal classroom seats and half study in other places. In this experiment, an example of an extraneous variable would be
A) room temperature
B) where the students studied
C) both room temperature and where the students studied
D) neither room temperature nor where the students studied.

Question

Quizplus · Accepted Answer

Room temperature is an example of an extraneous variable because it is not the variable being studied (the effect of study location on exam scores) but could still affect the outcome (exam scores).

A Statistics Student Is Interested in Determining Whether Studying in the Room