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Tuesday, February 4, 2014

Simple Arithemetic Mean

#include<iostream>
#include<conio.h>
#include<iomanip>
#include<windows.h>
using namespace std;
int i;
int main()
{
    void line(void);
    float sum=0;
    int n;
    cout<<"Enter number of observations:";
    cin>>n;
    float num[n];
    cout<<"Enter "<<n<<" data values:";
    for(i=0;i<n;i++)
    {
        cin>>num[i];
        sum+=num[i];
    }
    system("cls"
    );
    line();
    cout<<setw(5)<<"S.No."<<setw(15)<<"Observations";
    line();
    for(i=0;i<n;i++)
        cout<<setw(5)<<i+1<<setw(9)<<num[i]<<endl;
    line();
    cout<<setw(5)<<n<<setw(9)<<sum;
    line();
    cout<<"\nAverage="<<setprecision(2)<<sum/n;
    getch();
    return sum/n;
}
void line(void)
{
    cout<<endl;
    for(i=0;i<25;i++)
        cout<<'_';
    cout<<endl;
}

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