[code:1]
/* Compute a better average. */
#include <stdio.h>
int main(void)
{
int i;
double x;
double avg = 0.0; /* a better average */
double navg; /* a naive average */
double sum = 0.0;
printf("%5s%17s%17s%17s\n%5s%17s%17s%17s\n\n",
"Count", "Item", "Average", "Naive avg",
"-----", "----", "-------", "---------");
for (i = 1; scanf("%lf", &x) == 1; ++i )
{
avg += (x - avg) / i;
