Question

Present the following data in the form of 'less than' ogive and 'more than' ogive. (Lesson - 7)

Class (Mark obtained) Number of student

0-10 5

10-20 10

20-30 12

30-40 20

40-50 13

50-60 20

60-70 18

70-80 02​

Answer 1

Answer:

Sorry friend for not giving the answer

Answer 2

Answer:

Explanation

0-10 5         2

10-20 10      3

20-30 12       4

30-40 20      7

40-50 13       5

50-60 20       =7

60-70 18      6

70-80 02:     1