Question

frequency distribution of marks in mathematics of 100 students
marks frequency 1,8,6,7,21,23,19,6,5,4
0-10
10-20
20-30
30-40
40-50
50-60
60-70
70-80
80-90
90-100​

Answer 1

Answer:

class mark. frequency

0-10. 7

10-20. 1

20-30. 2

Answer 2

Marks Frequency

0-10. 7

10-20. 1

20-30 2