Tugas Rata - Rata, Varian, Standar Deviasi

#include <iostream.h>

#include <conio.h>

#include <math.h>

main()

{

                char nim[10],nama[30];

                int tgs1, tgs2, tgs3, tgs4;

                float rata, varian, deviasi;

                cout<<"masukkan nilai Tugas Pertama =";

                cin>>tgs1;

                cout<<"masukkan nilai Tugas Kedua =";

                cin>>tgs2;

                cout<<"masukkan nilai Tugas Ketiga =";

                cin>>tgs3;

                cout<<"masukkan nilai Tugas Keempat =";

                cin>>tgs4;

                rata=(tgs1+tgs2+tgs3+tgs4)/4;

                cout<<"Nilai Rata - Rata = "<<rata<<endl;

                varian= (((tgs1 - rata)*(tgs1 - rata)) + ((tgs2 - rata)*(tgs2 - rata)) + ((tgs3 - rata)*(tgs3 - rata)) + ((tgs4 - rata)*(tgs4 - rata)))/4;

                cout<<"Nilai Varian ="<<varian<<endl;

                deviasi= sqrt(varian);

                cout<<"Nilai Standar Deviasi = "<<deviasi<<endl;

}

getch();

output:
 


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