Question

Draw less than ogive for the following frequency distribution. find the median from obtained curve.​

Answer 1

C.I 20−30 30−40 40−50 50−60 60−70 70−80 80−90

F 8 12 24 6 10 15 25

C.I less than C.I more than C.I

20−30 8 25

30−40 20 40

40−50 44 50

50−60 50 56

60−70 60 80

70−80 75 92

80−90 100 100