/*
 * Demonstration of arrays used for statistics.
 */

#include <iostream>
#include <cmath>

using namespace std;

int main(void) {
  double data[10];    //10 data points
  double mean;
  double stdev;
  double sum;
  // TODO: double min, q1, med, q3, max;   //5 number summary

  // Get the data points
  for(int i=0; i<10; i++) {
    cout << i+1 << ": ";
    cin >> data[i];
  }
  
  // Compute mean
  sum = 0.0;
  for(int i=0; i<10; i++) {
    sum += data[i];
  }
  mean = sum / 10;

  // Compute Standard Deviation
  stdev = 0.0;
  for(int i=0; i<10; i++) {
    stdev += pow(data[i]-mean, 2.0);
  }
  stdev *= 1.0/9.0;
  stdev = sqrt(stdev);

  //print the results
  cout << "Sum: " << sum << endl;
  cout << "Mean: " << mean << endl;
  cout << "Standard Deviation: " << stdev << endl;

  return 0;
}