2

#include <iostream>
#include <cmath>
using namespace std;

int main()
{
    const int n=3; int a[n];
    double S, sum, m, m2, m3, m4, g1, g2, k; int i;


for (int i=0;i<n;i++)
    {
        a[i]=rand()%20;
    }


for (i = 0;i<n;i++)
    {
        sum+=a[i];
    }


    m=sum/(n - 1);
    cout<<"srednee vyb "<<m<<endl;


for (i = 0;i<n;i++)
    {
        k=(a[i] - m);
    }



    S=((k*k)/(n-1));
    cout<<"Disp "<<S<<endl;

    m2=((k*k)/(n));
    cout<<"element2 "<<m2<<endl;

    m3=((k*k*k)/(n));
    cout<<"element3 "<<m3<<endl;

    m4=((k*k*k*k)/(n));
    cout<<"element4 "<<m4<<endl;





    g2=(m4/(m2*m2))-3;
    cout<<"exsces "<<g2<<endl;


    g1=m3/sqrt(m2*m2*m2);
    cout<<"assym "<<g1<<endl;

    return 0;

}