The median of 80 observations is 60. If each observation is doubled, the resulting median will be :

1. 60

2. 20

3. 140

4. 120

If each observation in a data is decreased by two, their :

1. mean decreases by 2, but median remains same.

2. mean remains same, but median decreases, by 2.

3. mean and median both decrease by 2.

4. mean and median both remain the same.

Find the median of :

241, 243, 347, 350, 327, 299, 261, 292, 271, 258 and 257

Find the median of :

63, 17, 50, 9, 25, 43, 21, 50, 14 and 34