Question

Q-10 Prepare a frequency array of marks obtained by 25 students in Economics test:-
20,15,20,30,40,25,25,30,40,20,35,35,50,15,50,25,40,40,30,50,25,30,15,45.
Q-11 Following are the marks obtained by 20 students in an English test:-
5,16,17,17,20,21,22,22,22,25,25,26,26,30,31,31,34,35,42,48

Answer 1

Marks frequency

15 - 3

20 - 3

25 - 4

30 - 4

35 - 2

40 - 4

45 - 1

50 - 3

answer 10

hope it will help you