The following dataset is available for a lecturer to measure whether there is a relationship between the study time by students and the improvement of a student's marks. Study time in hours Improvement of marks (%) 20 44 5 22 10 35 13 32 12 27 From the data set above, estimate the study time required to improve one's mark by 25%. Answer rounded off to the nearest hour. Question 24Answer A. 5 hours B. 6 hours C. 7 hours D. 8 hours