/* Godzio 10 */

#include <stdio.h>
#include <math.h>


#define SIZE 10

float avg(float array[], int size) {
    float sum=0;
    int i;

    for (i=0; i<size; i++)
        sum += array[i];

    return sum/size;
}

float odchylenie(float array[], int size) {
    float avrg = avg(array, size);
    float result=0;
    float expression;
    int i;

    for (i=0; i<size; i++) {
        expression = array[i] - avrg;
        result += expression*expression;
    }

    result = sqrt(result/size);

    return result;
}


int main (void) {
    float tab[SIZE];
    int i;
    float E;
    float S;

    for (i=0; i<SIZE; i++) {
        tab[i] = sqrt(i);
        printf("tab[%d] = %f\n", i, tab[i]);
    }

    E = avg(tab, SIZE);
    printf("Srednia to: %f\n", E);
    S = odchylenie(tab, SIZE);
    printf("Odchylenie standardowe to: %f\n", S);




    return 0;
}