Question

Marks 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80

Student 5 10 20 40 30 20 10 4

Answer 1

Step-by-step explanation:

0-10 = 5

10-20 = 10

20-30 = 20

30-40 = 40

40-50 = 30

50-60 = 20

60-70 = 10

70-80 = 4

n.o of students convert into tally marks