Mean Deviation about median

Q. The mean deviation of 2, 4, 6, 8, 10 about its mean is

1. 4.2
2. 2.4
3. 3.4
4. 4.3

Q.

Number of goals scored by Messi in champion's league for past 10 years is a follows: {1, 1, 6, 9, 8, 12, 14, 8, 8, 10}. Find the mean deviation about median.

1. 2.8

2. 2.9

3. 2.5

4. 3