Number of Respondents Calculator in C++

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  • Create Date May 9, 2016
  • Last Updated May 9, 2016

Number of Respondents Calculator in C++

Number of Respondents Calculator in C++

Sample program in c++ that will compute the number of respondents using the sloven’s formula. To compute the number of respondents the user must enter the total population size.

Sloven’s formula:
n = N/(1+(Ne2))
where:
n = number of respondents
N = total population
e = margin of error , 0.05 in this case

Source code:

#include < iostream >

using namespace std;

int main()
{
    int totalpopulation;
    double respondents;
    cout << "Enter total number of population: " << endl;
    cin>> totalpopulation;

    respondents = (totalpopulation / (1 + (totalpopulation * 0.0025)));

    cout << "Number of respondents based on sloven formula: " << respondents << endl;
    return 0;
}
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