CV, C++ (gcc) - rextester

Language: Layout:

//g++  7.4.0
//Coefficient of Variation: finding out the consistent and stable series between two
//created by Rezaul Hoque on December 22,2020
//contact at jewelmrh@yahoo.com
#include <iostream>
#include <cmath>
using namespace std;
int main()
{
int n=10,n2=10,sum=0,sum2=0,bsum=0, bsum2=0;
int a[n]={105,120,115,118,130,127,109,110,104,112};
int b[n2]={108,117,120,130,100,125,125,120,110,135};
float mean, SD, preSD,mean2,SD2,preSD2,var2,cv,cv2,var;
for(int i=0;i<n;i++)
{
sum += a[i];
}
mean = sum/n;
for(int i=0; i<n; i++)
{
sum2 += (a[i]-mean)*(a[i]-mean);
}
preSD= sum2/n;
SD= sqrt(preSD);
var = SD*SD;
//for series 2
for(int i=0;i<n2;i++)
{
bsum += b[i];
}
mean2 = bsum/n2;
for(int i=0; i<n2; i++)
{
bsum2 += (b[i]-mean2)*(b[i]-mean2);
}
preSD2= bsum2/n2;
SD2= sqrt(preSD2);
var2 = SD2*SD2;
cv=SD/mean*100;
cv2=SD2/mean2*100;
//for series 1 
cout<<"Series1 Mean:\t"<<mean;
cout<<endl;

cout<<" Series1 Standard Deviation:\t"<<SD;
cout<<endl;
cout<<"Series1 Coefficient of variation:\t"<<cv;
cout<<endl;
//for series 2
cout<<"Series2 Mean:\t"<<mean2;
cout<<endl;

cout<<" Series2 Standard Deviation:\t"<<SD2;
cout<<endl;
cout<<"Series2 Coefficient of variation:\t"<<cv2;
cout<<endl;
if(cv>cv2)  cout<<"Series 2 is more stable, consistent,homogeneous and uniform.";
else 
        cout<<"Series 1 is more stable, consistent,homogeneous and uniform.";
return 0;
}

Show compiler warnings [ + ] Compiler args [ + ] Show input
Compilation time: 0.52 sec, absolute running time: 0.17 sec, cpu time: 0.01 sec, memory peak: 6 Mb, absolute service time: 0,87 sec