Error bars illustrate the margin of error for a survey estimate by showing how precise that estimate is. Here are some answers to common questions that might help you better understand charts with ...

In just about any discussion of a poll about the very close presidential race between Vice President Kamala Harris and former President Donald Trump, you’ll hear ...

As Americans await election results, many are looking to the polls for answers. JUMP TO: MARGIN OF ERROR l PHONE/DIGITAL l OUTLIER POLLS Dr. Andy Smith, from the ...

Reporters still trek through politically competitive neighborhoods to interview voters. But quantitative political journalism ...

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 ...