defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Mathematics Statistics Measures of Central Tendency
If the mean of x1, x2, x3, ............., xn is 4, then the mean of 2x1, 2x2, 2x3 ..............., 2xn is _________.
1
2
2
4
3
8
4
6