Implement least square regression using c program.

#include

#include

void main()

{

            clrscr();

            cout<<"\t \t \tLEAST SQUARE REGRESSION";

float x[10], y[10], xx[10], xy[10], sumx=0, sumy=0, sumxx=0, sumxy=0, num=0, denum=0 ,a=0,b=0;

            int n,i;

            cout<<"\nHow many points??";

            cin>>n;

            for (i=1;i<=n;i++)

            {

                        cout<<"\nEnter the values of x["<

                        cin>>x[i]>>y[i];

                        xx[i]=x[i]*x[i];

                        xy[i]=x[i]*y[i];

                        sumx+=x[i];

                        sumy+=y[i];

                        sumxx+=xx[i];

                        sumxy+=xy[i];

            }

            cout<<"\nTABLE\ni\tx\ty\txy\txx"<

            for(i=1;i<=n;i++)

            {

                        cout<

            }

            cout<<"\tSUMX\tSUMY\tSUMXY\tSUMXX\n";

            cout<<"\t"<

            num=(n*sumxy)-(sumx*sumy);

            denum=(n*sumxx)-(sumx*sumx);

            b=num/denum;

            a=(sumy/n)-b*(sumx/n);

            cout<<"\n\nThe fitted straight line is y="<

            getch();

}