82. Calculate median from the following data.
25-35
35-45
45-55
55-65
Wage
Rate
(Rs.)
Number
4.
NO
3
2
of
workers
Answers
Answered by
0
Answer:
Correct option is A)
Explanation:
c.f.
15 - 25 8 8
25 - 35 10 18
35 - 45 15 33
45 - 55 25 58
55 - 65 40 98
65 - 75 20 118
75 - 85 15 133
85 - 95 7 140
N=140⇒
2
N
=70
So, l=55,h=10,c=58,f=40
Median =l+
f
(
2
N
−c)×h
=55+
40
(70−58)×10
=55+
40
120
Median =55+3=58
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