问题
The concept of standard deviation is important in risk analysis since standard deviation measures an estimate’s variability. Therefore, the _______ the standard deviation of an estimate, the _______ its variability and risk.
A:Larger, greater
B:Larger, lesser
C:Smaller, greater
D:Smaller, normalcy
B:Larger, lesser
C:Smaller, greater
D:Smaller, normalcy
正确答案是：
