Q.

What is the median for the following observation?

5, 8, 6, 9, 11, 4

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a

6

b

7

c

8

d

None of these 

answer is B.

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Detailed Solution

The series is first arranged into either ascending or descending order. The formula to calculate median
=N+12th term
Of the series where N is the number of observations in the series.
Arrange in ascending order =4, 5, 6, 8, 9, 11
N=6
Median=6+12thterm=72thterm=3.5thterm
Value of 3rd term+Value of 4th term2
=(6+8)2=142=7
 
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