How accurate are political polls?

Related questions

1. What does the Gallup organization usually measure?
2. How does Gallup poll work?
3. What president was not Republican or Democrat?
4. How do opinion polls work?
5. What are election polls?
6. Was Abraham Lincoln the best president?
7. How many presidents have won the popular vote and lost the election?
8. How can a president win without the popular vote?
9. What is a Gallup?
10. Why do we use polls?

Tags

1. #elections
2. #little
3. #studies
4. #about
5. #historically
6. #presidential
7. #november
8. #average
9. #since
10. #recent
11. #massive
12. #better
13. #conclusion
14. #opposite
15. #polls
16. #accurate
17. #election