Question

Is it A?

Consider the following scenario:

A teacher notices a trend in the students' grades for her
midterm exam. Which event probably has the strongest correlation with the exam grades?

The successful completion of the exam review packet
The number of days students ate breakfast that semester
The location of students in the classroom
The number of times students completed extra credit

Answer 1

This is true, it's A!

Students grades are most likely coorelated with some event that influenced them directly, or that is influenced by the same factor. Here having completed the exam revieq packet means that the students have studied, so they will likely get good grades.