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- #include <stdio.h>
- #include <math.h>
- int main()
- {
- float xmed, sigma = 0,sum = 0,testNumber,desv,vector[100];
- int size = 0,i;
- while (1)
- {
- printf("Entre com um valor para o conjunto : (-1 para sair) :\n");
- scanf("%f",&testNumber);
- if (testNumber == -1)
- break;
- vector[size] = testNumber;
- sum = sum + vector[size];
- size++;
- }
- xmed = sum/size;
- for (i = 0; i < size; i++)
- {
- sigma = sigma + pow(vector[i]-xmed,2);
- }
- desv = sqrt(sigma / (size-1));
- printf("Desvio = %f\n",desv);
- }
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