A journal reports that students who attend private schools have higher test scores. Which of the following is an example of an omitted variable that could explain this correlation?I. Parents' education levelII. Socio-economic statusIII. Private school tuition

Question

Quizplus · Accepted Answer

Both parents' education level and socio-economic status could potentially explain the correlation between attending a private school and having higher test scores. Private school tuition, on the other hand, is not an omitted variable as it is directly related to attending a private school.

A Journal Reports That Students Who Attend Private Schools Have