defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Mathematics Statistics Variance and Standard Deviation
A set of 5 values 3, 5, 7, 9, 11 has standard deviation σ. What is the standard deviation of 5 values 5, 7, 9, 11, 13?
1
σ
2
σ + 2
3
σ - 2
4
2σ