railway RRB Junior Stenographer (Ministerial and Isolated Categories) Mock Test Quantitative Aptitude Elementary Statistics
The mean deviation of the data 3, 10, 10, 4, 7, 10, 5 is:
1
49/7
2
19/7
3
50/7
4
18/7
The mean deviation of the data 3, 10, 10, 4, 7, 10, 5 is: