InterviewSolution
Saved Bookmarks
| 1. |
Find out the median from the following : 57 58 61 42 38 65 72 66 88. |
|
Answer» given that 41,43,127,99,61,92,71,58,57 arrange the data in ASCENDING order 41,43,57,58,61,71,92,99,127 Here OBSERVE that No' of observations (n) are ODD i.e n=9 So median is 2 n+1
th term Median = 2 n+1
th term = n 9+1
th term =5 th term =61 58 is replaced by 85 then new data is 41,43,57,85,61,71,92,99,127 arrange the data in ascending order 41,43,57,61,71,85,92,99,127 Here observe that no's observation are odd i.e n=9 So median is 2 n+1
th term Median = 2 9+1
th term
=5th term =71 ∴ new median =71 |
|