The pie chart illustrates the amount of time, in hours, students spent on studying for an exam and the bar chart depicts the average marks they obtained based on time spent on preparing for it.
Overall, it is evident that candidates who invested more time on preparing for the exam obtained higher scores. While small proportion of students spent comparatively long hours studying and got slighty low marks on average.
Turning to the details, 38% of candidates studied for 51-75 hours, similarly 30% recorded 76-100 hours of preparaion. Additionally, 18% of students managed to prepare for 26-50 hours. Meanwhile, a percentage of students who studied for 101-125 hours. In contrast only 5% prepared for 0-25 hours.
Regarding marks, students who spent 76-100 hours, obtained the highest results, around 90. While those who managed to study for 101-125 got a slightly less marks, about 80. However, those who prepared for 51-75 hours, obtained 75 on average. Meanwhile, a proportion of students studied for 26-50 and 0-25 hours, got 60 and 40 marks respectively.
