The aforementioned charts demonstrate the proportion of time that students studied for exam and the average score got by students based on their time spending for studying, by hours. Overall, time between 26 and 100 was preferred by students in studying, which was longer than the others for the exam. For the second chart, the time of 51 to 125 reached at the highest mark while that from 0 to 50 did not get high score respectively.
At first glance, students mostly liked to spend their time on studying from 51 to 75 hours, it took up at 38%. Furthermore, from 76 to 100 hours was the second highed, it made up 30% in total. Moreover, 18% was the figure of the time from 26 to 50. While the other time was highly chose, the time of 0 to 25 just reached 5% and only 9% for the time from 101 to 125.
On the other hand, students who learned from 76 to 100 hours have higher scores than the other groups, it peaked at 90. More than that, students who chose the time of 101 to 125 just have 10 points lower than the first group, it approximetly 80. In addition, the time from 51 to 75 hours took up at 78. And they spent less in studying, so they got lower score, the time from 0 to 25 made up 40; the last one just got 60%