Grade Point Average ( GPA ) refers to the cumulative GPA at the end of Hist year of College . Existing literature shows that there is a positive relationship between GPA and the number of hours study* Offer Reference . 6. Relative tuition cost : As the tuition costs rise relative to income , Students may spend less on text book and the number of preparation time may decrease . HENCE GPA and relative cost are inversely related . Offer reference ( s) Research Question : Is there a relationship between GAP, Hours of study and relative tuition cost ?"