University administrators are becoming more and more alarmed

University administrators are becoming more and more alarmed at the number of hours students work per week while attending the university. To study this issue, one administrator was assigned to examine the relationship between the number hours worked per week in a semester and that semester’s GPA for a random sample of students. In this study, what is the explanatory variable?

Solution

University administrators was interested to performance of the students, for that measuring on the basis of the some cateria. in the study we consider dependent variable as semester,s GPA and independent or explanatory variable consider as number of hours worked per week in semester.