Question
What is the median of the following data: 1, 4, 7, 3, 9, 5, 3, 2, 7, 5.
Answer: Option B
:
B
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:
B
For finding the median, the data should be arranged in ascending or descending order first.
Arranging the data in ascending order ,we get :
1, 2, 3, 3, 4, 5, 5, 7, 7, 9.
There are even number of observations.
Hence the median is the mean value of (n2)th and [(n2)+1]th term.
Here the 102thterm= 5th term = 4
[(n2)+1]th term. = 6th term = 5
i.e. (4+52)=4.5
Hence, median of the given data =4.5
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