Calculation of Median – Individual Observations

Arrange the data in ascending or descending order.
If n is odd, median = value of [( N + 1)/2]th item.
If it is even, then median = mean value of N/2 and [(N/2) + 1]th item.

Q. 6. Obtain the value of median from the following data:

15

6

16

8

22

21

9

18

25

Solution. Arranging the data in ascending order.

6

8

9

15

16

18

21

22

25

Median = Size of [(9+1)/2]th item.
Size of 5th item = 16.



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