Lab 3 Simulation

#include <iostream>
#include <cmath>
using namespace std;

class Chitest{
    int O[10],E[10],N;
    float diff[10];
    float chisquare,chitab;
    public:
    void getdata(int n){
        int temp,i;
        for(i=0;i<n;i++){
            cout<<"Enter frequency of "<<i<<"th value:";
            cin>>O[i];
        }
    N=0;
    for(i=0;i<n;i++){
        N+=O[i];
    }
    temp = N/n;
    for(i=0;i<n;i++){
    E[i] = temp;

    }
    }

    void calculatechi(int n){
        int i;
        cout<<"\nCalculated differences:";
        for(i=0;i<n;i++){
            diff[i]=(pow((O[i]-E[i]),2))/E[i];
            cout<<"\n"<<diff[i];
    }
    chisquare=0;
    for(i=0;i<n;i++){
        chisquare+=diff[i];
    }
    }

    void decide(float chi){
        cout<<"\nObtained chisquare value:"<<chisquare;
        if(chitab>chisquare){
            cout<<"\nAccepted :The given distributions are uniform";
        }
    }
    };









int main()
{
    Chitest calc;
    float n,chitab;
    cout<<"Enter the number of classes or values :";
    cin>>n;
    cout<<"Enter the Tabulated value of chi:";
    cin>>chitab;
    calc.getdata(n);
    calc.calculatechi(n);
    calc.decide(chitab);
    return 0;
}