Question

the percentage marks obtained by 100 students in an examination are given below.Find median


marks no of students (CF)
(CI) (f)
30−35 14 14
35−40 16 30
40−45 18 48
45−50 23 71
50−55 18 89
55−60 8 97
60−65 3 100

N=100

CF= 71
h= 5
n÷2 =100÷2 =50
n=50
l = 45
F=23

l+ [n/2-CF]xh [This is formula]
/ F



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Answer 1

Answer:

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Answer 2

Answer:

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