Form a grouped frequency table of intervals 0-10 , 10-20 , 20-30, etc from the following

marks out of 50 obtained by a

Form a grouped frequency table of intervals 0-10 , 10-20 , 20-30, etc from the following

marks out of 50 obtained by a group of students.

5 , 23 , 49 , 50 , 38 , 37 , 25 , 30 , 30 , 29 , 42 , 37 , 18 , 12 , 13 , 9 , 18 , 27 , 32 , 50 , 47 , 48 ,

29 , 30 , 32 , 37 , 27 , 41 , 19 , 32 , 27 , 33 , 15 , 9 , 12 , 20 , 34 , 45 , 12 , 3 , 49 , 32 , 13 , 24 ,

44 , 12, 10, 27 , 31 , 20.​