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CTET 2 Math and Science Feb 2014 Paper
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© examsnet.com
Question : 50
Total: 120
The mean of median and mode of the data 7, 6, 7, 9, 8, 8, 10, 8 is
5.5
8
8.5
9
Validate
Solution:
On arranging of data
6, 7, 7 ,8, 8, 8, 9, 10
∴
x
=
8
that is even
∴
=
(
x
2
)
t
h
observation
(
x
2
+
1
)
t
h
obs.
2
=
(
8
2
)
t
h
obser.
+
(
8
2
+
1
)
t
h
obs.
2
=
4
th
observation
+
5
th
observation
2
=
8
+
8
2
=
16
2
=
8
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