Question

Leona wants to investigate middle school students’ study habits. She thinks that there is a relationship between the amount of studying and a student’s grade point average. What variables should she use to collect data?
A. name of student and grade point average
B. location of study session and subject
C. number of people in study session and location
D. number of hours spent studying and grade point average

Answer 1

D. number of hours spent studying and grade point average

These variables measure the amount of studying (hours) and the outcome of interest (GPA), allowing analysis of their relationship.