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Byju's Answer
Standard VIII
Mathematics
Mean
Question 10 O...
Question
Question 10
Obtain the mean of the following distribution.
F
r
e
q
u
e
n
c
y
(
f
i
)
V
a
r
i
a
b
l
e
(
x
i
)
4
4
8
6
14
8
11
10
3
12
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Solution
We know that,
Mean of the data
(
¯
x
)
=
∑
5
i
=
1
f
i
x
i
∑
5
i
=
1
f
i
=
f
1
x
1
+
f
2
x
2
+
f
3
x
3
+
f
4
x
4
+
f
5
x
5
f
1
+
f
2
+
f
3
+
f
4
+
f
5
=
4
×
4
+
8
×
6
+
14
×
8
+
11
×
10
+
3
×
12
4
+
8
+
14
+
11
+
3
16
+
48
+
112
+
110
+
36
40
=
322
40
=
8.05
Hence, the mean of the given data is 8.05.
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2
Similar questions
Q.
Question 10
Obtain the mean of the following distribution.
Frequency
(
f
i
)
Variable
(
x
i
)
4
4
8
6
14
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11
10
3
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Q.
Question 10
Obtain the mean of the following distribution.
Frequency
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f
i
)
Variable
(
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Q.
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Q.
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Marks
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30-40
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Q.
Obtain the mean of the following distribution:
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