The pie chart illustrates how much time students spent studying for an exam,while bar chat shows mean score of students by outlay time.
Overall,it is clear that,most students spent studied between 51 and 75.In addition,those who studied more generally achieved higher scores,with the highest average mark recorded among students between 76-100 hours.However,the average mark slightly declined for the group that studied more than 100 hours.
According to the pie chart the highest percentage of students(38%) studied between 51 and 75 hours.The second largest percentage of studends(30%)studied for 76-100 hours.Furthermore,this was followed by 18% of students who outlayed between 26 and 50 hours,while 9% of students extended 101-125 hours.The smallest proportion,only 5%,allocated 0-25 hours.
The bar chart shows that students who spent more tended to achieve high scores.Students studying between 0 and 25 hours received tge lowest average score,approximately 40.Moreover,mean score rose gradually with study time ,reaching a peak about 90 among students who studied for 76 to 100 hours.However,those who studied more than 100 hours had a slightly lower average around 90.