Draw ‘less than’ and ‘more than’ ogives for the following distribution Marks 0–10, 10–20 ,20–30, 30–40, 40–50, 50–60, 60–70, 70–80, 80–90, 90–100 No. of Students 5, 6, 8, 10, 15, 9, 8, 7, 7, 5. Also find median from the graph?
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Answer:
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
solution
December 20, 2019
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