//* Controlling repetition with a while loop - 3 (count down) - known number of items *

#include <iostream> using namespace std; int main() { int togo; cout << "Please enter the number of data items to be entered: "; cin >> togo; double sum=0.0; // remember to initialize the sum int cnt=0; // remember to initialize the count while ( togo>0 ) { cout << "Please enter the next data item: "; double x; cin >> x; sum+=x; cnt++; togo--; } double avg; if (cnt>0) avg= sum/cnt; else avg=0.0; cout << "The average of entered numbers is " << avg << endl; return(0); }