Hallar la media mediana moda para n datos

#include <iostream> 
#include <vector>
#include <algorithm>
using namespace std; 

float arithmeticMean(vector<float> nums) {
  float mean = 0;
  for(float x : nums) {
    mean += x;
  }
  return mean / nums.size();
}

int main() {
  vector<float> v = {4,7,8,9,10};
  cout << arithmeticMean(v);
}