gistfile1.txt //标准差σ=sqrt(s^2)public static double StandardDiviation(double[] x) { int m=x.length; double sum=0; for(int i=0;i
          //标准差σ=sqrt(s^2)
public static double StandardDiviation(double[] x) {
    int m=x.length;
    double sum=0;
    for(int i=0;i
        
        