The first chart, pie chart, illustrates data about the percentage of study duration of students preparing for an exam, and the bar chart provides their scores compared to the hours they spent on studying.
As an initial overview, students who spent more time to prepare had a better grade than others, with an exception of students who spent more than 100 hours studying.
Almost third of the students have spent between 76 to 100 hours getting ready for the test and their result came to be the best with score of 90 correct answers. surprisingly, students who have spent more than 100 hours did not do as good as the previous group scoring only 80 correct answers which is less than 10 questions compared to the first group.
More than half of students have spent less than 75 hours of studying. Pupils Who spent between 51 to 75 are the majority representing 38% of all students. Their correct answers was around 76. Almost fifth of students have spent from 26-50 and 60 correct answers. Students who did not study for the test at all or have taken less than 25 hours preparing for the test scored only 40 correct answers.