void main()
{
int xi[7];
float yi[7];
double xiyi;
int xi2;
int x;
int sigma_xi;
double xi_rata2;
double sigma_yi;
double yi_rata2;
double sigmaxiyi;
double sigma_xi2;
double a1;
double a0;
int n=7;
double hasil1;
double hasil2;
xi[0]=4;
xi[1]=3;
xi[2]=1;
xi[3]=7;
xi[4]=9;
xi[5]=6;
xi[6]=9;
yi[0]=15;
yi[1]=20;
yi[2]=19;
yi[3]=17;
yi[4]=13;
yi[5]=29;
yi[6]=18;
cout<<”x dan y :”<
for (x=0;x<=6;x++)
{
cout<<”xi = “<
cout<
cout<<”sigma x = “<
xi_rata2= sigma_xi/n;
cout<<”x rata2 = “<
for (x=0;x<=6;x++)
{
cout<<”y = “<
cout<
cout<<”sigma y = “<
yi_rata2= sigma_yi/n;
cout<<”y rata2 = “<
cout<<”nilai x.y”<
{
xiyi=xi[x]*yi[x];
cout<<”x.y = “<
cout<
sigmaxiyi = xi[0]*yi[0]+xi[1]*yi[2]+xi[3]*yi[4]+xi[5]*yi[6]
+xi[4]*yi[4]+xi[5]*yi[5]+xi[6]*yi[6];
cout<<”sigma x.y =”<
cout<<”nilai x kuadrat”<
{
xi2=xi[x]*xi[x];
cout<<”x2 =”<
cout<
+xi[4]*xi[4]+xi[5]*xi[5]+xi[6]*xi[6];
cout<<”sigma xy = “<
/((n*sigma_xi2)-(sigma_xi*sigma_xi));
cout<< “nilai a1″<
cout<<”nilai a0 adalah”<
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