Write a program to find the mean of n numbers using arrays

Table of Contents

Program in C

#include <stdio.h>
#include <conio.h>
int main()
{
int i, n, arr[20], sum =0;
float mean = 0.0;
clrscr();
printf("\n Enter the number of elements in the array : ");
scanf("%d", &n);
for(i=0;i<n;i++)
{
printf("\n arr[%d] = ", i);
scanf("%d",&arr[i]);
}
for(i=0;i<n;i++)
sum += arr[i];
mean = (float)sum/n;
printf("\n The sum of the array elements = %d", sum);
printf("\n The mean of the array elements = %.2f", mean);
return 0;
}

Output

Enter the number of elements in the array : 5 
arr[0] = 1
arr[1] = 2
arr[2] = 3
arr[3] = 4
arr[4] = 5
The sum of the array elements = 15
The mean of the array elements = 3.00

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