marks. no of student
0-9 3
10-19. 5
20-29. 8
30-39. 9
49-49. 13
50-59. 6
find median
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Answer:
Pls mark it as brilliant answer
Step-by-step explanation:
Age
No. of persons(f
i
)
Cumulative Frequency(c.f)
-0.5-9.5
4
4
9.5-19.5
6
10
19.5-29.5
10
20
29.5-39.5
11
31
39.5-49.5
12
43
49.5-59.5
6
49
59.5-69.5
1
50=n
Median is at
2
n
=25th value
l=29.5;h=10;f=11;c=20
median=l+
f
h
×(
2
n
−c)
=29.5+
11
10
×(5)
≈34 years
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