De una serie de datos de menor a mayor encontrar el rango, promedio, mediana

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

int main(int argc, char** argv) {
	int n = 10;
	int serie[n] = {10, 9, 32, 1, 5, 6, 2, 1, 4, 9};
	int suma = 0;
	int rango;
	int mayor = serie[0];
	int menor = serie[0];
	
	for (int i = 1; i < n; i++){
		if (mayor < serie[i]){
			mayor = serie[i];
		}
		if (menor > serie[i]){
			menor = serie[i];
		}
		suma = suma + serie[i];
	}
	
	rango = mayor - menor;
	
	float promedio = suma / n;
	
	cout << "Rango: " << rango << endl;