Question

Draw less than and more than ogive curve from the following and indicate the value of media. marks 0-5,5-10,10-15 ,15-20,20-25,25-30,30-35,35-40. number of students 7,10,20,13,12,10,14,4

Answer 1

cant draw here but can draw the table

0-5. 7

5-10. 10

10-15. 20

15-20. 13

20-25. 12

25-30. 10

30-35. 14

35-40. 4

more than 0. 90

more than 5. 83

more than 10. 73

more than 15. 53

more than 20. 40

more than 25. 28

more than 30. 18

more than 35. 4

this is how more than is done for less than just pick the upper limit and subtract

less than 35. 90

less than 30. 72

just like that