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Byju's Answer
Standard X
Mathematics
Median for Ungrouped Data
Find the medi...
Question
Find the median for the following frequency distribution:
Class Interval
25-35
35-45
45-55
55-65
65-75
Frequency
20
25
5
7
4
Give answer upto the nearest integer value.
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Solution
F
o
r
c
o
n
t
i
n
u
o
u
s
d
a
t
a
,
m
e
d
i
a
n
=
L
+
(
N
2
−
C
f
)
×
H
W
h
e
r
e
N
=
T
o
t
a
l
c
u
m
u
l
a
t
i
v
e
f
r
e
q
u
e
n
c
y
L
=
l
o
w
e
r
l
i
m
i
t
o
f
t
h
e
m
e
d
i
a
n
c
l
a
s
s
I
n
t
e
r
v
a
l
;
M
e
d
i
a
n
C
l
a
s
s
=
t
h
e
c
l
a
s
s
i
n
t
e
r
v
a
l
h
a
v
i
n
g
c
u
m
u
l
a
t
i
v
e
f
r
e
q
≥
N
2
l
i
e
s
C
=
C
u
m
u
l
a
t
i
v
e
f
r
e
q
u
e
n
c
y
o
f
t
h
e
c
l
a
s
s
i
n
t
e
r
v
a
l
j
u
s
t
b
e
f
o
r
e
t
h
e
m
e
d
i
a
n
c
l
a
s
s
i
n
t
e
r
v
a
l
f
=
f
r
e
q
u
e
n
c
y
o
f
t
h
e
m
e
d
i
a
n
c
l
a
s
s
i
n
t
e
r
v
a
l
;
H
=
w
i
d
t
h
o
f
t
h
e
m
e
d
i
a
n
c
l
a
s
s
i
n
t
e
r
v
a
l
/
/
H
e
r
e
N
=
61
N
2
=
30.5
,
t
h
i
s
c
u
m
u
l
a
t
i
v
e
f
r
e
q
l
i
e
s
w
i
t
h
i
n
i
n
t
e
r
v
a
l
(
35
−
45
)
;
L
=
35
C
=
20
;
f
=
25
;
H
=
10
H
e
n
c
e
m
e
d
i
a
n
=
35
+
(
61
2
−
20
25
×
10
)
=
35
+
(
30.5
−
20
25
×
10
)
=
35
+
(
10.5
25
×
10
)
=
35
+
105
25
=
35
+
4.2
=
39.2
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Similar questions
Q.
Find the mean of the following frequency distribution:
Class interval:
25-35
35-45
45-55
55-65
65-75
Frequency:
6
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8
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