The pie chart illustrates the percentage of students who studied for various amounts of time to prepare for the test and the ratio of marks scored by students depending on the hours.
Overall, it can be seen that the majority of students studied for 51 to 75 hours, and the minimum was 0 to 25 hours.
Firstly, let us talk about the highest number of students who studied for 51–75 hours. And only 9% studied for 101–125 hours, which was the highest number of hours. 30% of students took 76–100 hours to prepare for the test. 18% of students studied for 26–50 hours. Only 5% of students took 0–25 hours for preparation.
Furthermore, the highest marks were obtained by the students who studied for 76–100 hours. Meanwhile, 0–25 hour students showed the lowest score on the test. Moreover, a majority of students, close to 80%, who studied for 51–75 hours prepared for the test. 101–125 hour students also showed a decent score on the test.