#include <iostream>

using namespace std;
int myarray[3][3];
void average_sd_2D_array(int[3][3], float & avg, float & sd);
float average, deviation;
int x;
int main()
{
    for (int i = 0; i<= 2; i++)
    {
        myarray[i][0] = ((2*i) + 1);
        myarray[i][1] = ((2 * i) + 1);
        myarray[i][2] = ((2 * i) + 1);
    }
    myarray[5][5] = 10;

    cout << "\t" << myarray[0][0] << "\t" << myarray[0][1] << "\t" << myarray[0][2] << endl<<endl;
    cout << "\t" << myarray[1][0] << "\t" << myarray[1][1] << "\t" << myarray[1][2] << endl<<endl;
    cout << "\t" << myarray[2][0] << "\t" << myarray[2][1] << "\t" << myarray[2][2] << endl<<endl;
    average_sd_2D_array(myarray, average, deviation);
    cout << "Average = " << average << " Standard Deviation = " << deviation;
    cin >>x;
}
void average_sd_2D_array(int arr[3][3], float & avg, float & sd)
{
    int total=0;
    int square=0;
    for (int i = 0; i <= 2; i++)
    {
        for (int a = 0; a <= 2; a++)
        {
            total += arr[i][a];
            square += ((arr[i][a]) ^ 2);
        }
    }
    avg = total / 9;
    sd = sqrt((square / 9) - ((total / 9) ^ 2));
}