How can a president win without the popular vote?

Related questions

1. How are likely voters determined?
2. What is a benchmark poll?
3. How many presidents have won the popular vote and lost the election?
4. How exit poll is done?
5. What does LV mean in polls?
6. What are polling techniques?
7. What is a Gallup?
8. Is Marist poll biased?
9. What is the Strengthsfinder assessment?
10. Are YouGov polls reliable?

Tags

1. #elections
2. #popular
3. #national
4. #person
5. #receive
6. #college
7. #securing
8. #electoral
9. #losing
10. #winner
11. #plurality
12. #either
13. #general
14. #means
15. #election
16. #presidential
17. #votes
18. #produced
19. #majority
20. #received