nikolas_serafini

Lista 4 - Exercício 15

Jun 22nd, 2013
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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. int main()
  5. {
  6.     float xmed, sigma = 0,sum = 0,testNumber,desv,vector[100];
  7.     int size = 0,i;
  8.  
  9.     while (1)
  10.     {
  11.         printf("Entre com um valor para o conjunto : (-1 para sair) :\n");
  12.         scanf("%f",&testNumber);
  13.         if (testNumber == -1)
  14.             break;
  15.         vector[size] = testNumber;
  16.         sum = sum + vector[size];
  17.         size++;
  18.     }
  19.    
  20.     xmed = sum/size;
  21.     for (i = 0; i < size; i++)
  22.     {
  23.         sigma = sigma + pow(vector[i]-xmed,2);
  24.     }
  25.     desv = sqrt(sigma / (size-1));
  26.     printf("Desvio = %f\n",desv);
  27. }
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