Question

The median of a set of 9 distinct observations is 20. If each of the largest 4 observationsof the set is increased by 2, find the median of the resulting set.

Answer 1

Hiiii........

As median is the middle number among the nine observation....
Hence 5th number is median of 9 observations.........
so if uuuu incresad the largest 4 no. by 2 ..... no effect wiill be there on median
......

Answer is 20 only......

Hope it help.......