The margin of error allows you to use smaller sample sizes when conducting customer surveys. The measurement directly relates ...

As Americans await the presidential election results, many are looking to the polls for clues. A poll’s margin of error describes how close a survey result can ...

Q: Do the pollsters know who is going to win the election? A. With the number of polls released every day, you would think that there was a definitive assessment on who is going to win the ...