Question

write a matlab program that grade up the data values according to grading criteria given below. then make the following graphs to show the number of students that got each grade 1. horizontal bar 2. pie 3. histogram

Answer 1

1.) Horizontal Bar

Matlab code:

clear all
y = [5,15,20,5,3,2];
ax = gca;
barh(y,0.5,'b')
xlabel('Number of student');
ylabel('Grade');
title('Class Report');
ax.YTickLabel = ({'A','B','C','D','E','F'}); 

Output:  

2.) Pie

Matlab code:

clear all
y = [5,15,20,5,3,2];
labels = {'A','B','C','D','E','F'};
pie(y,labels)
title('Class Report');

Output:

3.) Histogram

Matlab code:

clear all
y = [5,15,20,5,3,2];
ax = gca;
bar(y,0.5,'b')
xlabel('Grade');
ylabel('Number of student');
title('Class Report');
ax.XTickLabel = ({'A','B','C','D','E','F'}); 

Output: