Changes

Random sampling is a method which is much more reliable because a large number of randomly chosen people each vote once on pertinent issues. There is always a [[margin of error]], like + or - 5%, because no poll is entirely accurate.

Random sampling is a method which is much more reliable because a large number of randomly chosen people each vote once on pertinent issues. There is always a [[margin of error]], like + or - 5%, because no poll is entirely accurate.

Exit polls are controversial, because voting is considered private, and exit polls ask people when they leave the booth how they voted. They usually ask only a fraction of the voters, but they're able to make a pretty good estimate of who's going to win the election.   

[[Exit poll|Exit polls]] are controversial, because voting is considered private, and exit polls ask people when they leave the booth how they voted. They usually ask only a fraction of the voters, but they're able to make a pretty good estimate of who's going to win the election.   

==References==

==References==