To find and print the standard deviation.

Write a program in C to input 12 numbers and then calculate, print the standard deviation of these numbers.
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#include<stdio.h> #include<conio.h> #include<math.h> #define N 12 void main( ) { float x, sx, sxx, sd, a; sx = sxx = 0; for (a=1; a<=N; a++) { printf("Enter value of x"); scanf("%f", &x); sx = sx + x; sxx = sxx + x * x; } sd = sqrt(sxx / N - (sx/N) * (sx/N)); printf("Standard Deviation is %.2f\n", sd); }

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