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Byju's Answer
Standard X
Mathematics
Finding Mode for Grouped Data When Class Intervals Are Given
The given dis...
Question
The given distribution shows the number of runs scored by some top batsmen of the world in one-day international cricket matches.
Runs scored
Number of batsman
Runs scored
Number of batsman
3000
−
4000
4
7000
−
8000
6
4000
−
5000
18
8000
−
9000
3
5000
−
6000
9
9000
−
10000
1
6000
−
7000
7
10000
−
11000
1
find the mode of the data.
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Solution
From the given data we may observe that maximum class frequency is
18
belonging to class interval
4000
–
5000.
So, modal class
=
4000
–
5000
Lower limit
(
l
)
of modal class
=
4000
Frequency
(
f
1
)
of modal class
=
18
Frequency
(
f
0
)
of class preceding modal class
=
4
Frequency
(
f
2
)
of class succeeding modal class
=
9
Class size
(
h
)
=
1000
⇒
M
o
d
e
=
l
+
f
1
−
f
0
2
f
1
−
f
0
−
f
2
×
h
⇒
M
o
d
e
=
4000
+
18
−
4
2
×
18
−
4
−
9
×
1000
⇒
M
o
d
e
=
4000
+
14000
23
⇒
M
o
d
e
=
4000
+
608.7
=
4608.7
r
u
n
s
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Q.
The given distribution shows the number of runs scored by some top batsmen of the world in one-day international cricket matches.
Runs scored
Number of batsman
Runs scored
Number of Batsman
3000−4000
4000−5000
5000−6000
6000−7000
4
18
9
7
7000−8000
8000−9000
9000−10000
10000−11000
6
3
1
1
Find the mode of data.