#include <iostream.h>
#include <math.h>
#include <conio.h>
void main()
{
int n, i;
float jumlah, rerata, pemb, stdrdev, a[15];
cout<"\nBanyaknya nilai = ";
cin>>n;
jumlah=0;
for(int i=0; i<n;i++)
{
cout<<"Nilai ke-"<<(i+1)<" = ";
cin>>a[i];
jumlah +=a[i];
}
rerata=jumlah/n;
pemb=0;
for( i=0;i<=n; i++)
{
pemb =(a[i]-rerata)*(a[i]-rerata);
}
stdrdev = sqrt(pemb/n-1);
cout<<"Rerata = "<<rerata;
cout<<"\nStandar deviasi = "<<stdrdev<<endl;
getche();
}
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