Example 43: Calculate Sum, Average, and Standard Deviation

#include <stdio.h>
#include <math.h>
// try to implement a code that calculates 
// the sum, average and standard deviation of the given numbers
void calcSASd (int n1, int n2, int n3, int n4, int n5, float *s, float *a, float *sd){
  //write your code here
  
}

#include <stdio.h>
#include <math.h>
void calcSASd (int n1, int n2, int n3, int n4, int n5, float *s, float *a, float *sd){
	*s = n1 + n2 + n3 + n4 + n5; 
	*a = *s/ 5;
	*sd = sqrt ((pow((n1 - *a ),2) + pow((n2 - *a),2) + pow((n3 - *a),2) + pow((n4 - *a),2) + pow((n5 - *a),2) )/4); 
}
int main() {
    int n1 = 4, n2 = 5, n3 = 3, n4 =7, n5 = 9;
    float sum = 0; float avg = 0; float std = 0;
    float *s = &sum; float *a = &avg; float *sd = &std;
    calcSASd(n1, n2, n3, n4, n5,s,a,sd);
    printf("%f, %f, %f",*s,*a,*sd);
    return 0;
}