c語言如何計算标準差?計算标準偏差實例，今天小編就來聊一聊關于c語言如何計算标準差?接下來我們就一起去研究一下吧!
計算标準偏差。
實例
#include <stdio.h>
#include <math.h>
float calculateSD(float data[]);
int main()
{
int i;
float data[10];
printf("輸入10個元素: ");
for(i=0; i < 10; i)
scanf("%f", &data[i]);
printf("\n标準偏差 = %.6f", calculateSD(data));
return 0;
}
float calculateSD(float data[])
{
float sum = 0.0, mean, standardDeviation = 0.0;
int i;
for(i=0; i<10; i)
{
sum = data[i];
}
mean = sum/10;
for(i=0; i<10; i)
standardDeviation = pow(data[i] - mean, 2);
return sqrt(standardDeviation/10);
}
輸出結果為：
輸入10個元素: 1 2 3 4 5 6 7 8 9 10 标準偏差 = 2.872281
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