C Program Average,Mean,Sum of Array

This C Programs Finds the Average, Sum and Mean Deviation of Elements of Array. This is a part of Mumbai University MCA Colleges C Programs MCA Sem 1

#include<stdio.h>

#include<conio.h>

#include<math.h>

int arrsum(int *,int);

float average(int,int);

float deviation(int *,float,int);

void main()

{

int a[10],n,i,sum;

float avg,mean;

clrscr();

printf("Enter number of elements of an array (upto 10)\n");

scanf("%d",&n);

printf("Enter elements of an array\n");

for(i=0;i<n;i++)

{

scanf("%d",&a[i]);

}

sum=arrsum(a,n);

avg=average(sum,n);

mean=deviation(a,avg,n);

printf("Sum = %d\nAverage = %f\nMean Deviation = %f\n",sum,avg,mean);

getch();

}

int arrsum(int *a,int n)

{

int i,s=0;

for(i=0;i<n;i++) 

{

s+=*(a+i);

}

return s;

}

float average(int s,int n)

{

float avg=0.0;

avg=(float)s/n;

return avg;

}

float deviation(int *a,float avg,int n)

{

int i;

float s=0.0,dev=0.0;

for(i=0;i<n;i++)

{

s+=((*(a+i)-avg)*(*(a+i)-avg));

}

dev=sqrt(s/n);

return dev;

}


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