033_Arreglo1D.c

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#include<stdio.h>
#include<time.h>
#include<stdlib.h>
 
#define N 60
#define min 1.5
#define max 2.1
 
int main(int argc, char *argv[])
{
    float X[N];
    float med, var;
    int i, n;
    srand(time(NULL));
    do{
        printf("Ingrese el numero de estudiantes: ");
        scanf("%d", &n);
    }while(n<1||n>N);
    for(i=0, med=0, var=0; i<n; i++)
    {
        X[i] = (max-min)*rand()/RAND_MAX+min;
        med += X[i];
        var += (X[i]*X[i]);
        printf("X[%d] = %.3f\n", i+1, X[i]);
    }
    med /= n;
    var /= n;
    var -= (med*med);
    printf("Media = %.3f\n", med);
    printf("Varianza = %.3f\n", var);
    return 0;
}